251247808

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:358

約数の個数: 112

約数和(自身を含む): 598220800

約数和(自身を除く): 346972992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 79, 112, 124, 158, 217, 224, 229, 248, 316, 434, 448, 458, 496, 553, 632, 868, 916, 992, 1106, 1264, 1603, 1736, 1832, 1984, 2212, 2449, 2528, 3206, 3472, 3664, 4424, 4898, 5056, 6412, 6944, 7099, 7328, 8848, 9796, 12824, 13888, 14198, 14656, 17143, 17696, 18091, 19592, 25648, 28396, 34286, 35392, 36182, 39184, 49693, 51296, 56792, 68572, 72364, 78368, 99386, 102592, 113584, 126637, 137144, 144728, 156736, 198772, 227168, 253274, 274288, 289456, 397544, 454336, 506548, 548576, 560821, 578912, 795088, 1013096, 1097152, 1121642, 1157824, 1590176, 2026192, 2243284, 3180352, 3925747, 4052384, 4486568, 7851494, 8104768, 8973136, 15702988, 17946272, 31405976, 35892544, 62811952, 125623904, 251247808]

約数ペア:

[(1, 251247808), (2, 125623904), (4, 62811952), (7, 35892544), (8, 31405976), (14, 17946272), (16, 15702988), (28, 8973136), (31, 8104768), (32, 7851494), (56, 4486568), (62, 4052384), (64, 3925747), (79, 3180352), (112, 2243284), (124, 2026192), (158, 1590176), (217, 1157824), (224, 1121642), (229, 1097152), (248, 1013096), (316, 795088), (434, 578912), (448, 560821), (458, 548576), (496, 506548), (553, 454336), (632, 397544), (868, 289456), (916, 274288), (992, 253274), (1106, 227168), (1264, 198772), (1603, 156736), (1736, 144728), (1832, 137144), (1984, 126637), (2212, 113584), (2449, 102592), (2528, 99386), (3206, 78368), (3472, 72364), (3664, 68572), (4424, 56792), (4898, 51296), (5056, 49693), (6412, 39184), (6944, 36182), (7099, 35392), (7328, 34286), (8848, 28396), (9796, 25648), (12824, 19592), (13888, 18091), (14198, 17696), (14656, 17143)]