1780466428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{8209}}^1$

素因数の和:8366

約数の個数: 48

約数和(自身を含む): 3469348960

約数和(自身を除く): 1688882532

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 97, 172, 194, 388, 559, 1118, 1261, 2236, 2522, 4171, 5044, 8209, 8342, 16418, 16684, 32836, 54223, 106717, 108446, 213434, 216892, 352987, 426868, 705974, 796273, 1411948, 1592546, 3185092, 4588831, 9177662, 10351549, 18355324, 20703098, 34239739, 41406196, 68479478, 136958956, 445116607, 890233214, 1780466428]

約数ペア:

[(1, 1780466428), (2, 890233214), (4, 445116607), (13, 136958956), (26, 68479478), (43, 41406196), (52, 34239739), (86, 20703098), (97, 18355324), (172, 10351549), (194, 9177662), (388, 4588831), (559, 3185092), (1118, 1592546), (1261, 1411948), (2236, 796273), (2522, 705974), (4171, 426868), (5044, 352987), (8209, 216892), (8342, 213434), (16418, 108446), (16684, 106717), (32836, 54223)]