9871264

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:473

約数の個数: 48

約数和(自身を含む): 21326760

約数和(自身を除く): 11455496

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 389, 416, 488, 778, 793, 976, 1556, 1586, 1952, 3112, 3172, 5057, 6224, 6344, 10114, 12448, 12688, 20228, 23729, 25376, 40456, 47458, 80912, 94916, 161824, 189832, 308477, 379664, 616954, 759328, 1233908, 2467816, 4935632, 9871264]

約数ペア:

[(1, 9871264), (2, 4935632), (4, 2467816), (8, 1233908), (13, 759328), (16, 616954), (26, 379664), (32, 308477), (52, 189832), (61, 161824), (104, 94916), (122, 80912), (208, 47458), (244, 40456), (389, 25376), (416, 23729), (488, 20228), (778, 12688), (793, 12448), (976, 10114), (1556, 6344), (1586, 6224), (1952, 5057), (3112, 3172)]