201720476

素因数分解:

$2^2\times {\mathrm{271}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:1145

約数の個数: 24

約数和(自身を含む): 355971840

約数和(自身を除く): 154251364

約数列:

[1, 2, 4, 271, 379, 491, 542, 758, 982, 1084, 1516, 1964, 102709, 133061, 186089, 205418, 266122, 372178, 410836, 532244, 744356, 50430119, 100860238, 201720476]

約数ペア:

[(1, 201720476), (2, 100860238), (4, 50430119), (271, 744356), (379, 532244), (491, 410836), (542, 372178), (758, 266122), (982, 205418), (1084, 186089), (1516, 133061), (1964, 102709)]