643700772

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6581}}^1$

素因数の和:6634

約数の個数: 144

約数和(自身を含む): 2012512320

約数和(自身を除く): 1368811548

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 19, 22, 26, 33, 36, 38, 39, 44, 52, 57, 66, 76, 78, 99, 114, 117, 132, 143, 156, 171, 198, 209, 228, 234, 247, 286, 342, 396, 418, 429, 468, 494, 572, 627, 684, 741, 836, 858, 988, 1254, 1287, 1482, 1716, 1881, 2223, 2508, 2574, 2717, 2964, 3762, 4446, 5148, 5434, 6581, 7524, 8151, 8892, 10868, 13162, 16302, 19743, 24453, 26324, 32604, 39486, 48906, 59229, 72391, 78972, 85553, 97812, 118458, 125039, 144782, 171106, 217173, 236916, 250078, 256659, 289564, 342212, 375117, 434346, 500156, 513318, 651519, 750234, 769977, 868692, 941083, 1026636, 1125351, 1303038, 1375429, 1500468, 1539954, 1625507, 1882166, 2250702, 2606076, 2750858, 2823249, 3079908, 3251014, 3764332, 4126287, 4501404, 4876521, 5501716, 5646498, 6502028, 8252574, 8469747, 9753042, 11292996, 12378861, 14629563, 16505148, 16939494, 17880577, 19506084, 24757722, 29259126, 33878988, 35761154, 49515444, 53641731, 58518252, 71522308, 107283462, 160925193, 214566924, 321850386, 643700772]

約数ペア:

[(1, 643700772), (2, 321850386), (3, 214566924), (4, 160925193), (6, 107283462), (9, 71522308), (11, 58518252), (12, 53641731), (13, 49515444), (18, 35761154), (19, 33878988), (22, 29259126), (26, 24757722), (33, 19506084), (36, 17880577), (38, 16939494), (39, 16505148), (44, 14629563), (52, 12378861), (57, 11292996), (66, 9753042), (76, 8469747), (78, 8252574), (99, 6502028), (114, 5646498), (117, 5501716), (132, 4876521), (143, 4501404), (156, 4126287), (171, 3764332), (198, 3251014), (209, 3079908), (228, 2823249), (234, 2750858), (247, 2606076), (286, 2250702), (342, 1882166), (396, 1625507), (418, 1539954), (429, 1500468), (468, 1375429), (494, 1303038), (572, 1125351), (627, 1026636), (684, 941083), (741, 868692), (836, 769977), (858, 750234), (988, 651519), (1254, 513318), (1287, 500156), (1482, 434346), (1716, 375117), (1881, 342212), (2223, 289564), (2508, 256659), (2574, 250078), (2717, 236916), (2964, 217173), (3762, 171106), (4446, 144782), (5148, 125039), (5434, 118458), (6581, 97812), (7524, 85553), (8151, 78972), (8892, 72391), (10868, 59229), (13162, 48906), (16302, 39486), (19743, 32604), (24453, 26324)]