247693808

素因数分解:

$2^4\times {\mathrm{17}}^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:219

約数の個数: 80

約数和(自身を含む): 535947840

約数和(自身を除く): 288254032

約数列:

[1, 2, 4, 8, 16, 17, 23, 34, 46, 68, 92, 136, 137, 184, 272, 274, 289, 368, 391, 548, 578, 782, 1096, 1156, 1564, 2192, 2312, 2329, 3128, 3151, 4624, 4658, 4913, 6256, 6302, 6647, 9316, 9826, 12604, 13294, 18632, 19652, 25208, 26588, 37264, 39304, 39593, 50416, 53176, 53567, 78608, 79186, 106352, 107134, 112999, 158372, 214268, 225998, 316744, 428536, 451996, 633488, 673081, 857072, 903992, 910639, 1346162, 1807984, 1821278, 2692324, 3642556, 5384648, 7285112, 10769296, 14570224, 15480863, 30961726, 61923452, 123846904, 247693808]

約数ペア:

[(1, 247693808), (2, 123846904), (4, 61923452), (8, 30961726), (16, 15480863), (17, 14570224), (23, 10769296), (34, 7285112), (46, 5384648), (68, 3642556), (92, 2692324), (136, 1821278), (137, 1807984), (184, 1346162), (272, 910639), (274, 903992), (289, 857072), (368, 673081), (391, 633488), (548, 451996), (578, 428536), (782, 316744), (1096, 225998), (1156, 214268), (1564, 158372), (2192, 112999), (2312, 107134), (2329, 106352), (3128, 79186), (3151, 78608), (4624, 53567), (4658, 53176), (4913, 50416), (6256, 39593), (6302, 39304), (6647, 37264), (9316, 26588), (9826, 25208), (12604, 19652), (13294, 18632)]