646861072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1051}}^1$

素因数の和:1352

約数の個数: 80

約数和(自身を含む): 1479280320

約数和(自身を除く): 832419248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 269, 286, 538, 572, 1051, 1076, 1144, 2102, 2152, 2288, 2959, 3497, 4204, 4304, 5918, 6994, 8408, 11561, 11836, 13663, 13988, 16816, 23122, 23672, 27326, 27976, 38467, 46244, 47344, 54652, 55952, 76934, 92488, 109304, 150293, 153868, 184976, 218608, 282719, 300586, 307736, 565438, 601172, 615472, 1130876, 1202344, 2261752, 2404688, 3109909, 3675347, 4523504, 6219818, 7350694, 12439636, 14701388, 24879272, 29402776, 40428817, 49758544, 58805552, 80857634, 161715268, 323430536, 646861072]

約数ペア:

[(1, 646861072), (2, 323430536), (4, 161715268), (8, 80857634), (11, 58805552), (13, 49758544), (16, 40428817), (22, 29402776), (26, 24879272), (44, 14701388), (52, 12439636), (88, 7350694), (104, 6219818), (143, 4523504), (176, 3675347), (208, 3109909), (269, 2404688), (286, 2261752), (538, 1202344), (572, 1130876), (1051, 615472), (1076, 601172), (1144, 565438), (2102, 307736), (2152, 300586), (2288, 282719), (2959, 218608), (3497, 184976), (4204, 153868), (4304, 150293), (5918, 109304), (6994, 92488), (8408, 76934), (11561, 55952), (11836, 54652), (13663, 47344), (13988, 46244), (16816, 38467), (23122, 27976), (23672, 27326)]