399393410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1423}}^1$

素因数の和:1587

約数の個数: 64

約数和(自身を含む): 826785792

約数和(自身を除く): 427392382

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 127, 130, 170, 221, 254, 442, 635, 1105, 1270, 1423, 1651, 2159, 2210, 2846, 3302, 4318, 7115, 8255, 10795, 14230, 16510, 18499, 21590, 24191, 28067, 36998, 48382, 56134, 92495, 120955, 140335, 180721, 184990, 241910, 280670, 314483, 361442, 628966, 903605, 1572415, 1807210, 2349373, 3072257, 3144830, 4698746, 6144514, 11746865, 15361285, 23493730, 30722570, 39939341, 79878682, 199696705, 399393410]

約数ペア:

[(1, 399393410), (2, 199696705), (5, 79878682), (10, 39939341), (13, 30722570), (17, 23493730), (26, 15361285), (34, 11746865), (65, 6144514), (85, 4698746), (127, 3144830), (130, 3072257), (170, 2349373), (221, 1807210), (254, 1572415), (442, 903605), (635, 628966), (1105, 361442), (1270, 314483), (1423, 280670), (1651, 241910), (2159, 184990), (2210, 180721), (2846, 140335), (3302, 120955), (4318, 92495), (7115, 56134), (8255, 48382), (10795, 36998), (14230, 28067), (16510, 24191), (18499, 21590)]