28012145

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 40040448

約数和(自身を除く): 12028303

約数列:

[1, 5, 7, 35, 37, 97, 185, 223, 259, 485, 679, 1115, 1295, 1561, 3395, 3589, 7805, 8251, 17945, 21631, 25123, 41255, 57757, 108155, 125615, 151417, 288785, 757085, 800347, 4001735, 5602429, 28012145]

約数ペア:

[(1, 28012145), (5, 5602429), (7, 4001735), (35, 800347), (37, 757085), (97, 288785), (185, 151417), (223, 125615), (259, 108155), (485, 57757), (679, 41255), (1115, 25123), (1295, 21631), (1561, 17945), (3395, 8251), (3589, 7805)]