71638528

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 80

約数和(自身を含む): 158114880

約数和(自身を除く): 86476352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 47, 52, 64, 94, 104, 128, 188, 208, 229, 256, 376, 416, 458, 512, 611, 752, 832, 916, 1222, 1504, 1664, 1832, 2444, 2977, 3008, 3328, 3664, 4888, 5954, 6016, 6656, 7328, 9776, 10763, 11908, 12032, 14656, 19552, 21526, 23816, 24064, 29312, 39104, 43052, 47632, 58624, 78208, 86104, 95264, 117248, 139919, 156416, 172208, 190528, 279838, 312832, 344416, 381056, 559676, 688832, 762112, 1119352, 1377664, 1524224, 2238704, 2755328, 4477408, 5510656, 8954816, 17909632, 35819264, 71638528]

約数ペア:

[(1, 71638528), (2, 35819264), (4, 17909632), (8, 8954816), (13, 5510656), (16, 4477408), (26, 2755328), (32, 2238704), (47, 1524224), (52, 1377664), (64, 1119352), (94, 762112), (104, 688832), (128, 559676), (188, 381056), (208, 344416), (229, 312832), (256, 279838), (376, 190528), (416, 172208), (458, 156416), (512, 139919), (611, 117248), (752, 95264), (832, 86104), (916, 78208), (1222, 58624), (1504, 47632), (1664, 43052), (1832, 39104), (2444, 29312), (2977, 24064), (3008, 23816), (3328, 21526), (3664, 19552), (4888, 14656), (5954, 12032), (6016, 11908), (6656, 10763), (7328, 9776)]