2557295728

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{8191}}^1$

素因数の和:8310

約数の個数: 80

約数和(自身を含む): 5688524800

約数和(自身を除く): 3131229072

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 79, 104, 152, 158, 208, 247, 304, 316, 494, 632, 988, 1027, 1264, 1501, 1976, 2054, 3002, 3952, 4108, 6004, 8191, 8216, 12008, 16382, 16432, 19513, 24016, 32764, 39026, 65528, 78052, 106483, 131056, 155629, 156104, 212966, 311258, 312208, 425932, 622516, 647089, 851864, 1245032, 1294178, 1703728, 2023177, 2490064, 2588356, 4046354, 5176712, 8092708, 8412157, 10353424, 12294691, 16185416, 16824314, 24589382, 32370832, 33648628, 49178764, 67297256, 98357528, 134594512, 159830983, 196715056, 319661966, 639323932, 1278647864, 2557295728]

約数ペア:

[(1, 2557295728), (2, 1278647864), (4, 639323932), (8, 319661966), (13, 196715056), (16, 159830983), (19, 134594512), (26, 98357528), (38, 67297256), (52, 49178764), (76, 33648628), (79, 32370832), (104, 24589382), (152, 16824314), (158, 16185416), (208, 12294691), (247, 10353424), (304, 8412157), (316, 8092708), (494, 5176712), (632, 4046354), (988, 2588356), (1027, 2490064), (1264, 2023177), (1501, 1703728), (1976, 1294178), (2054, 1245032), (3002, 851864), (3952, 647089), (4108, 622516), (6004, 425932), (8191, 312208), (8216, 311258), (12008, 212966), (16382, 156104), (16432, 155629), (19513, 131056), (24016, 106483), (32764, 78052), (39026, 65528)]