15768805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 21436128

約数和(自身を除く): 5667323

約数列:

[1, 5, 13, 41, 61, 65, 97, 205, 305, 485, 533, 793, 1261, 2501, 2665, 3965, 3977, 5917, 6305, 12505, 19885, 29585, 32513, 51701, 76921, 162565, 242597, 258505, 384605, 1212985, 3153761, 15768805]

約数ペア:

[(1, 15768805), (5, 3153761), (13, 1212985), (41, 384605), (61, 258505), (65, 242597), (97, 162565), (205, 76921), (305, 51701), (485, 32513), (533, 29585), (793, 19885), (1261, 12505), (2501, 6305), (2665, 5917), (3965, 3977)]