812781004

素因数分解:

$2^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 1643604480

約数和(自身を除く): 830823476

約数列:

[1, 2, 4, 7, 14, 28, 179, 257, 358, 514, 631, 716, 1028, 1253, 1262, 1799, 2506, 2524, 3598, 4417, 5012, 7196, 8834, 17668, 46003, 92006, 112949, 162167, 184012, 225898, 322021, 324334, 451796, 644042, 648668, 790643, 1135169, 1288084, 1581286, 2270338, 3162572, 4540676, 29027893, 58055786, 116111572, 203195251, 406390502, 812781004]

約数ペア:

[(1, 812781004), (2, 406390502), (4, 203195251), (7, 116111572), (14, 58055786), (28, 29027893), (179, 4540676), (257, 3162572), (358, 2270338), (514, 1581286), (631, 1288084), (716, 1135169), (1028, 790643), (1253, 648668), (1262, 644042), (1799, 451796), (2506, 324334), (2524, 322021), (3598, 225898), (4417, 184012), (5012, 162167), (7196, 112949), (8834, 92006), (17668, 46003)]