39991112

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 91065600

約数和(自身を除く): 51074488

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 322, 427, 488, 509, 644, 854, 1018, 1288, 1403, 1708, 2036, 2806, 3416, 3563, 4072, 5612, 7126, 9821, 11224, 11707, 14252, 19642, 23414, 28504, 31049, 39284, 46828, 62098, 78568, 81949, 93656, 124196, 163898, 217343, 248392, 327796, 434686, 655592, 714127, 869372, 1428254, 1738744, 2856508, 4998889, 5713016, 9997778, 19995556, 39991112]

約数ペア:

[(1, 39991112), (2, 19995556), (4, 9997778), (7, 5713016), (8, 4998889), (14, 2856508), (23, 1738744), (28, 1428254), (46, 869372), (56, 714127), (61, 655592), (92, 434686), (122, 327796), (161, 248392), (184, 217343), (244, 163898), (322, 124196), (427, 93656), (488, 81949), (509, 78568), (644, 62098), (854, 46828), (1018, 39284), (1288, 31049), (1403, 28504), (1708, 23414), (2036, 19642), (2806, 14252), (3416, 11707), (3563, 11224), (4072, 9821), (5612, 7126)]