30988698

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 69672960

約数和(自身を除く): 38684262

約数列:

[1, 2, 3, 6, 13, 26, 39, 47, 78, 79, 94, 107, 141, 158, 214, 237, 282, 321, 474, 611, 642, 1027, 1222, 1391, 1833, 2054, 2782, 3081, 3666, 3713, 4173, 5029, 6162, 7426, 8346, 8453, 10058, 11139, 15087, 16906, 22278, 25359, 30174, 48269, 50718, 65377, 96538, 109889, 130754, 144807, 196131, 219778, 289614, 329667, 392262, 397291, 659334, 794582, 1191873, 2383746, 5164783, 10329566, 15494349, 30988698]

約数ペア:

[(1, 30988698), (2, 15494349), (3, 10329566), (6, 5164783), (13, 2383746), (26, 1191873), (39, 794582), (47, 659334), (78, 397291), (79, 392262), (94, 329667), (107, 289614), (141, 219778), (158, 196131), (214, 144807), (237, 130754), (282, 109889), (321, 96538), (474, 65377), (611, 50718), (642, 48269), (1027, 30174), (1222, 25359), (1391, 22278), (1833, 16906), (2054, 15087), (2782, 11139), (3081, 10058), (3666, 8453), (3713, 8346), (4173, 7426), (5029, 6162)]