1380456848

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{16319}}^1$

素因数の和:16655

約数の個数: 40

約数和(自身を含む): 2841246720

約数和(自身を除く): 1460789872

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 311, 622, 1244, 2488, 4976, 5287, 10574, 16319, 21148, 32638, 42296, 65276, 84592, 130552, 261104, 277423, 554846, 1109692, 2219384, 4438768, 5075209, 10150418, 20300836, 40601672, 81203344, 86278553, 172557106, 345114212, 690228424, 1380456848]

約数ペア:

[(1, 1380456848), (2, 690228424), (4, 345114212), (8, 172557106), (16, 86278553), (17, 81203344), (34, 40601672), (68, 20300836), (136, 10150418), (272, 5075209), (311, 4438768), (622, 2219384), (1244, 1109692), (2488, 554846), (4976, 277423), (5287, 261104), (10574, 130552), (16319, 84592), (21148, 65276), (32638, 42296)]