208906164

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 542400768

約数和(自身を除く): 333494604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 94, 141, 188, 282, 311, 397, 423, 564, 622, 794, 846, 933, 1191, 1244, 1588, 1692, 1866, 2382, 2799, 3573, 3732, 4764, 5598, 7146, 11196, 14292, 14617, 18659, 29234, 37318, 43851, 55977, 58468, 74636, 87702, 111954, 123467, 131553, 167931, 175404, 223908, 246934, 263106, 335862, 370401, 493868, 526212, 671724, 740802, 1111203, 1481604, 2222406, 4444812, 5802949, 11605898, 17408847, 23211796, 34817694, 52226541, 69635388, 104453082, 208906164]

約数ペア:

[(1, 208906164), (2, 104453082), (3, 69635388), (4, 52226541), (6, 34817694), (9, 23211796), (12, 17408847), (18, 11605898), (36, 5802949), (47, 4444812), (94, 2222406), (141, 1481604), (188, 1111203), (282, 740802), (311, 671724), (397, 526212), (423, 493868), (564, 370401), (622, 335862), (794, 263106), (846, 246934), (933, 223908), (1191, 175404), (1244, 167931), (1588, 131553), (1692, 123467), (1866, 111954), (2382, 87702), (2799, 74636), (3573, 58468), (3732, 55977), (4764, 43851), (5598, 37318), (7146, 29234), (11196, 18659), (14292, 14617)]