289326338

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 550471680

約数和(自身を除く): 261145342

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 131, 133, 161, 262, 266, 322, 361, 437, 722, 874, 917, 1834, 2489, 2527, 3013, 3059, 4978, 5054, 6026, 6118, 6859, 8303, 13718, 16606, 17423, 21091, 34846, 42182, 47291, 48013, 57247, 58121, 94582, 96026, 114494, 116242, 157757, 315514, 331037, 400729, 662074, 801458, 898529, 1087693, 1104299, 1797058, 2175386, 2208598, 6289703, 7613851, 12579406, 15227702, 20666167, 41332334, 144663169, 289326338]

約数ペア:

[(1, 289326338), (2, 144663169), (7, 41332334), (14, 20666167), (19, 15227702), (23, 12579406), (38, 7613851), (46, 6289703), (131, 2208598), (133, 2175386), (161, 1797058), (262, 1104299), (266, 1087693), (322, 898529), (361, 801458), (437, 662074), (722, 400729), (874, 331037), (917, 315514), (1834, 157757), (2489, 116242), (2527, 114494), (3013, 96026), (3059, 94582), (4978, 58121), (5054, 57247), (6026, 48013), (6118, 47291), (6859, 42182), (8303, 34846), (13718, 21091), (16606, 17423)]