1673388

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 4612608

約数和(自身を除く): 2939220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 47, 69, 86, 92, 94, 129, 138, 141, 172, 188, 207, 258, 276, 282, 387, 414, 423, 516, 564, 774, 828, 846, 989, 1081, 1548, 1692, 1978, 2021, 2162, 2967, 3243, 3956, 4042, 4324, 5934, 6063, 6486, 8084, 8901, 9729, 11868, 12126, 12972, 17802, 18189, 19458, 24252, 35604, 36378, 38916, 46483, 72756, 92966, 139449, 185932, 278898, 418347, 557796, 836694, 1673388]

約数ペア:

[(1, 1673388), (2, 836694), (3, 557796), (4, 418347), (6, 278898), (9, 185932), (12, 139449), (18, 92966), (23, 72756), (36, 46483), (43, 38916), (46, 36378), (47, 35604), (69, 24252), (86, 19458), (92, 18189), (94, 17802), (129, 12972), (138, 12126), (141, 11868), (172, 9729), (188, 8901), (207, 8084), (258, 6486), (276, 6063), (282, 5934), (387, 4324), (414, 4042), (423, 3956), (516, 3243), (564, 2967), (774, 2162), (828, 2021), (846, 1978), (989, 1692), (1081, 1548)]