641327248

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{373}}^1\times {\mathrm{2621}}^1$

素因数の和:3043

約数の個数: 40

約数和(自身を含む): 1276777656

約数和(自身を除く): 635450408

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 373, 656, 746, 1492, 2621, 2984, 5242, 5968, 10484, 15293, 20968, 30586, 41936, 61172, 107461, 122344, 214922, 244688, 429844, 859688, 977633, 1719376, 1955266, 3910532, 7821064, 15642128, 40082953, 80165906, 160331812, 320663624, 641327248]

約数ペア:

[(1, 641327248), (2, 320663624), (4, 160331812), (8, 80165906), (16, 40082953), (41, 15642128), (82, 7821064), (164, 3910532), (328, 1955266), (373, 1719376), (656, 977633), (746, 859688), (1492, 429844), (2621, 244688), (2984, 214922), (5242, 122344), (5968, 107461), (10484, 61172), (15293, 41936), (20968, 30586)]