128548475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 190273536

約数和(自身を除く): 61725061

約数列:

[1, 5, 11, 17, 25, 31, 55, 85, 155, 187, 275, 341, 425, 527, 775, 887, 935, 1705, 2635, 4435, 4675, 5797, 8525, 9757, 13175, 15079, 22175, 27497, 28985, 48785, 75395, 137485, 144925, 165869, 243925, 302467, 376975, 467449, 687425, 829345, 1512335, 2337245, 4146725, 5141939, 7561675, 11686225, 25709695, 128548475]

約数ペア:

[(1, 128548475), (5, 25709695), (11, 11686225), (17, 7561675), (25, 5141939), (31, 4146725), (55, 2337245), (85, 1512335), (155, 829345), (187, 687425), (275, 467449), (341, 376975), (425, 302467), (527, 243925), (775, 165869), (887, 144925), (935, 137485), (1705, 75395), (2635, 48785), (4435, 28985), (4675, 27497), (5797, 22175), (8525, 15079), (9757, 13175)]