221686452

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{233}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 643930560

約数和(自身を除く): 422244108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 107, 114, 117, 156, 171, 214, 228, 233, 234, 247, 321, 342, 428, 466, 468, 494, 642, 684, 699, 741, 932, 963, 988, 1284, 1391, 1398, 1482, 1926, 2033, 2097, 2223, 2782, 2796, 2964, 3029, 3852, 4066, 4173, 4194, 4427, 4446, 5564, 6058, 6099, 8132, 8346, 8388, 8854, 8892, 9087, 12116, 12198, 12519, 13281, 16692, 17708, 18174, 18297, 24396, 24931, 25038, 26429, 26562, 27261, 36348, 36594, 39843, 49862, 50076, 52858, 53124, 54522, 57551, 73188, 74793, 79287, 79686, 99724, 105716, 109044, 115102, 149586, 158574, 159372, 172653, 224379, 230204, 237861, 299172, 317148, 324103, 345306, 448758, 473689, 475722, 517959, 648206, 690612, 897516, 947378, 951444, 972309, 1035918, 1296412, 1421067, 1894756, 1944618, 2071836, 2842134, 2916927, 3889236, 4263201, 5684268, 5833854, 6157957, 8526402, 11667708, 12315914, 17052804, 18473871, 24631828, 36947742, 55421613, 73895484, 110843226, 221686452]

約数ペア:

[(1, 221686452), (2, 110843226), (3, 73895484), (4, 55421613), (6, 36947742), (9, 24631828), (12, 18473871), (13, 17052804), (18, 12315914), (19, 11667708), (26, 8526402), (36, 6157957), (38, 5833854), (39, 5684268), (52, 4263201), (57, 3889236), (76, 2916927), (78, 2842134), (107, 2071836), (114, 1944618), (117, 1894756), (156, 1421067), (171, 1296412), (214, 1035918), (228, 972309), (233, 951444), (234, 947378), (247, 897516), (321, 690612), (342, 648206), (428, 517959), (466, 475722), (468, 473689), (494, 448758), (642, 345306), (684, 324103), (699, 317148), (741, 299172), (932, 237861), (963, 230204), (988, 224379), (1284, 172653), (1391, 159372), (1398, 158574), (1482, 149586), (1926, 115102), (2033, 109044), (2097, 105716), (2223, 99724), (2782, 79686), (2796, 79287), (2964, 74793), (3029, 73188), (3852, 57551), (4066, 54522), (4173, 53124), (4194, 52858), (4427, 50076), (4446, 49862), (5564, 39843), (6058, 36594), (6099, 36348), (8132, 27261), (8346, 26562), (8388, 26429), (8854, 25038), (8892, 24931), (9087, 24396), (12116, 18297), (12198, 18174), (12519, 17708), (13281, 16692)]