281037568

素因数分解:

$2^8\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5059}}^1$

素因数の和:5113

約数の個数: 72

約数和(自身を含む): 661928960

約数和(自身を除く): 380891392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 256, 434, 448, 496, 868, 896, 992, 1736, 1792, 1984, 3472, 3968, 5059, 6944, 7936, 10118, 13888, 20236, 27776, 35413, 40472, 55552, 70826, 80944, 141652, 156829, 161888, 283304, 313658, 323776, 566608, 627316, 647552, 1097803, 1133216, 1254632, 1295104, 2195606, 2266432, 2509264, 4391212, 4532864, 5018528, 8782424, 9065728, 10037056, 17564848, 20074112, 35129696, 40148224, 70259392, 140518784, 281037568]

約数ペア:

[(1, 281037568), (2, 140518784), (4, 70259392), (7, 40148224), (8, 35129696), (14, 20074112), (16, 17564848), (28, 10037056), (31, 9065728), (32, 8782424), (56, 5018528), (62, 4532864), (64, 4391212), (112, 2509264), (124, 2266432), (128, 2195606), (217, 1295104), (224, 1254632), (248, 1133216), (256, 1097803), (434, 647552), (448, 627316), (496, 566608), (868, 323776), (896, 313658), (992, 283304), (1736, 161888), (1792, 156829), (1984, 141652), (3472, 80944), (3968, 70826), (5059, 55552), (6944, 40472), (7936, 35413), (10118, 27776), (13888, 20236)]