138279388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{821}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 270668160

約数和(自身を除く): 132388772

約数列:

[1, 2, 4, 13, 26, 41, 52, 79, 82, 158, 164, 316, 533, 821, 1027, 1066, 1642, 2054, 2132, 3239, 3284, 4108, 6478, 10673, 12956, 21346, 33661, 42107, 42692, 64859, 67322, 84214, 129718, 134644, 168428, 259436, 437593, 843167, 875186, 1686334, 1750372, 2659219, 3372668, 5318438, 10636876, 34569847, 69139694, 138279388]

約数ペア:

[(1, 138279388), (2, 69139694), (4, 34569847), (13, 10636876), (26, 5318438), (41, 3372668), (52, 2659219), (79, 1750372), (82, 1686334), (158, 875186), (164, 843167), (316, 437593), (533, 259436), (821, 168428), (1027, 134644), (1066, 129718), (1642, 84214), (2054, 67322), (2132, 64859), (3239, 42692), (3284, 42107), (4108, 33661), (6478, 21346), (10673, 12956)]