129971632

素因数分解:

$2^4\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1171}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 288330752

約数和(自身を除く): 158359120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 991, 1171, 1982, 2342, 3964, 4684, 6937, 7928, 8197, 9368, 13874, 15856, 16394, 18736, 27748, 32788, 55496, 65576, 110992, 131152, 1160461, 2320922, 4641844, 8123227, 9283688, 16246454, 18567376, 32492908, 64985816, 129971632]

約数ペア:

[(1, 129971632), (2, 64985816), (4, 32492908), (7, 18567376), (8, 16246454), (14, 9283688), (16, 8123227), (28, 4641844), (56, 2320922), (112, 1160461), (991, 131152), (1171, 110992), (1982, 65576), (2342, 55496), (3964, 32788), (4684, 27748), (6937, 18736), (7928, 16394), (8197, 15856), (9368, 13874)]