917505421

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{1489}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 1141459200

約数和(自身を除く): 223953779

約数列:

[1, 7, 19, 41, 113, 133, 287, 779, 791, 1489, 2147, 4633, 5453, 10423, 15029, 28291, 32431, 61049, 88027, 168257, 198037, 427343, 616189, 1159931, 1177799, 3196883, 6898537, 8119517, 22378181, 48289759, 131072203, 917505421]

約数ペア:

[(1, 917505421), (7, 131072203), (19, 48289759), (41, 22378181), (113, 8119517), (133, 6898537), (287, 3196883), (779, 1177799), (791, 1159931), (1489, 616189), (2147, 427343), (4633, 198037), (5453, 168257), (10423, 88027), (15029, 61049), (28291, 32431)]