42398538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 113326080

約数和(自身を除く): 70927542

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 57, 61, 67, 78, 91, 114, 122, 133, 134, 182, 183, 201, 247, 266, 273, 366, 399, 402, 427, 469, 494, 546, 741, 793, 798, 854, 871, 938, 1159, 1273, 1281, 1407, 1482, 1586, 1729, 1742, 2318, 2379, 2546, 2562, 2613, 2814, 3458, 3477, 3819, 4087, 4758, 5187, 5226, 5551, 6097, 6954, 7638, 8113, 8174, 8911, 10374, 11102, 12194, 12261, 15067, 16226, 16549, 16653, 17822, 18291, 24339, 24522, 26733, 28609, 30134, 33098, 33306, 36582, 45201, 48678, 49647, 53131, 53466, 57218, 77653, 85827, 90402, 99294, 105469, 106262, 115843, 155306, 159393, 171654, 210938, 231686, 232959, 316407, 318786, 347529, 371917, 465918, 543571, 632814, 695058, 743834, 1009489, 1087142, 1115751, 1630713, 2018978, 2231502, 3028467, 3261426, 6056934, 7066423, 14132846, 21199269, 42398538]

約数ペア:

[(1, 42398538), (2, 21199269), (3, 14132846), (6, 7066423), (7, 6056934), (13, 3261426), (14, 3028467), (19, 2231502), (21, 2018978), (26, 1630713), (38, 1115751), (39, 1087142), (42, 1009489), (57, 743834), (61, 695058), (67, 632814), (78, 543571), (91, 465918), (114, 371917), (122, 347529), (133, 318786), (134, 316407), (182, 232959), (183, 231686), (201, 210938), (247, 171654), (266, 159393), (273, 155306), (366, 115843), (399, 106262), (402, 105469), (427, 99294), (469, 90402), (494, 85827), (546, 77653), (741, 57218), (793, 53466), (798, 53131), (854, 49647), (871, 48678), (938, 45201), (1159, 36582), (1273, 33306), (1281, 33098), (1407, 30134), (1482, 28609), (1586, 26733), (1729, 24522), (1742, 24339), (2318, 18291), (2379, 17822), (2546, 16653), (2562, 16549), (2613, 16226), (2814, 15067), (3458, 12261), (3477, 12194), (3819, 11102), (4087, 10374), (4758, 8911), (5187, 8174), (5226, 8113), (5551, 7638), (6097, 6954)]