388581895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{4261}}^1$

素因数の和:4363

約数の個数: 32

約数和(自身を含む): 532715904

約数和(自身を除く): 144134009

約数列:

[1, 5, 13, 23, 61, 65, 115, 299, 305, 793, 1403, 1495, 3965, 4261, 7015, 18239, 21305, 55393, 91195, 98003, 259921, 276965, 490015, 1274039, 1299605, 3378973, 5978183, 6370195, 16894865, 29890915, 77716379, 388581895]

約数ペア:

[(1, 388581895), (5, 77716379), (13, 29890915), (23, 16894865), (61, 6370195), (65, 5978183), (115, 3378973), (299, 1299605), (305, 1274039), (793, 490015), (1403, 276965), (1495, 259921), (3965, 98003), (4261, 91195), (7015, 55393), (18239, 21305)]