215656728

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{16249}}^1$

素因数の和:16344

約数の個数: 64

約数和(自身を含む): 624000000

約数和(自身を除く): 408343272

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 79, 84, 158, 168, 237, 316, 474, 553, 632, 948, 1106, 1659, 1896, 2212, 3318, 4424, 6636, 13272, 16249, 32498, 48747, 64996, 97494, 113743, 129992, 194988, 227486, 341229, 389976, 454972, 682458, 909944, 1283671, 1364916, 2567342, 2729832, 3851013, 5134684, 7702026, 8985697, 10269368, 15404052, 17971394, 26957091, 30808104, 35942788, 53914182, 71885576, 107828364, 215656728]

約数ペア:

[(1, 215656728), (2, 107828364), (3, 71885576), (4, 53914182), (6, 35942788), (7, 30808104), (8, 26957091), (12, 17971394), (14, 15404052), (21, 10269368), (24, 8985697), (28, 7702026), (42, 5134684), (56, 3851013), (79, 2729832), (84, 2567342), (158, 1364916), (168, 1283671), (237, 909944), (316, 682458), (474, 454972), (553, 389976), (632, 341229), (948, 227486), (1106, 194988), (1659, 129992), (1896, 113743), (2212, 97494), (3318, 64996), (4424, 48747), (6636, 32498), (13272, 16249)]