4138889755

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{2083}}^1$

素因数の和:2516

約数の個数: 64

約数和(自身を含む): 6688539648

約数和(自身を除く): 2549649893

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 397, 455, 715, 1001, 1985, 2083, 2779, 4367, 5005, 5161, 10415, 13895, 14581, 21835, 22913, 25805, 27079, 30569, 36127, 56771, 72905, 114565, 135395, 152845, 160391, 180635, 189553, 283855, 297869, 397397, 801955, 826951, 947765, 1489345, 1986985, 2085083, 4134755, 5788657, 9096461, 10425415, 10750363, 28943285, 45482305, 53751815, 63675227, 75252541, 118253993, 318376135, 376262705, 591269965, 827777951, 4138889755]

約数ペア:

[(1, 4138889755), (5, 827777951), (7, 591269965), (11, 376262705), (13, 318376135), (35, 118253993), (55, 75252541), (65, 63675227), (77, 53751815), (91, 45482305), (143, 28943285), (385, 10750363), (397, 10425415), (455, 9096461), (715, 5788657), (1001, 4134755), (1985, 2085083), (2083, 1986985), (2779, 1489345), (4367, 947765), (5005, 826951), (5161, 801955), (10415, 397397), (13895, 297869), (14581, 283855), (21835, 189553), (22913, 180635), (25805, 160391), (27079, 152845), (30569, 135395), (36127, 114565), (56771, 72905)]