331518128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{6397}}^1$

素因数の和:6525

約数の個数: 40

約数和(自身を含む): 666415680

約数和(自身を除く): 334897552

約数列:

[1, 2, 4, 8, 16, 41, 79, 82, 158, 164, 316, 328, 632, 656, 1264, 3239, 6397, 6478, 12794, 12956, 25588, 25912, 51176, 51824, 102352, 262277, 505363, 524554, 1010726, 1049108, 2021452, 2098216, 4042904, 4196432, 8085808, 20719883, 41439766, 82879532, 165759064, 331518128]

約数ペア:

[(1, 331518128), (2, 165759064), (4, 82879532), (8, 41439766), (16, 20719883), (41, 8085808), (79, 4196432), (82, 4042904), (158, 2098216), (164, 2021452), (316, 1049108), (328, 1010726), (632, 524554), (656, 505363), (1264, 262277), (3239, 102352), (6397, 51824), (6478, 51176), (12794, 25912), (12956, 25588)]