28312812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 84913920

約数和(自身を除く): 56601108

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 53, 57, 66, 71, 76, 99, 106, 114, 132, 142, 159, 171, 198, 209, 212, 213, 228, 284, 318, 342, 396, 418, 426, 477, 583, 627, 636, 639, 684, 781, 836, 852, 954, 1007, 1166, 1254, 1278, 1349, 1562, 1749, 1881, 1908, 2014, 2332, 2343, 2508, 2556, 2698, 3021, 3124, 3498, 3762, 3763, 4028, 4047, 4686, 5247, 5396, 6042, 6996, 7029, 7524, 7526, 8094, 9063, 9372, 10494, 11077, 11289, 12084, 12141, 14058, 14839, 15052, 16188, 18126, 20988, 22154, 22578, 24282, 28116, 29678, 33231, 33867, 36252, 41393, 44308, 44517, 45156, 48564, 59356, 66462, 67734, 71497, 82786, 89034, 99693, 124179, 132924, 133551, 135468, 142994, 165572, 178068, 199386, 214491, 248358, 267102, 285988, 372537, 398772, 428982, 496716, 534204, 643473, 745074, 786467, 857964, 1286946, 1490148, 1572934, 2359401, 2573892, 3145868, 4718802, 7078203, 9437604, 14156406, 28312812]

約数ペア:

[(1, 28312812), (2, 14156406), (3, 9437604), (4, 7078203), (6, 4718802), (9, 3145868), (11, 2573892), (12, 2359401), (18, 1572934), (19, 1490148), (22, 1286946), (33, 857964), (36, 786467), (38, 745074), (44, 643473), (53, 534204), (57, 496716), (66, 428982), (71, 398772), (76, 372537), (99, 285988), (106, 267102), (114, 248358), (132, 214491), (142, 199386), (159, 178068), (171, 165572), (198, 142994), (209, 135468), (212, 133551), (213, 132924), (228, 124179), (284, 99693), (318, 89034), (342, 82786), (396, 71497), (418, 67734), (426, 66462), (477, 59356), (583, 48564), (627, 45156), (636, 44517), (639, 44308), (684, 41393), (781, 36252), (836, 33867), (852, 33231), (954, 29678), (1007, 28116), (1166, 24282), (1254, 22578), (1278, 22154), (1349, 20988), (1562, 18126), (1749, 16188), (1881, 15052), (1908, 14839), (2014, 14058), (2332, 12141), (2343, 12084), (2508, 11289), (2556, 11077), (2698, 10494), (3021, 9372), (3124, 9063), (3498, 8094), (3762, 7526), (3763, 7524), (4028, 7029), (4047, 6996), (4686, 6042), (5247, 5396)]