17989088

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{521}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 38673936

約数和(自身を除く): 20684848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 83, 104, 166, 208, 332, 416, 521, 664, 1042, 1079, 1328, 2084, 2158, 2656, 4168, 4316, 6773, 8336, 8632, 13546, 16672, 17264, 27092, 34528, 43243, 54184, 86486, 108368, 172972, 216736, 345944, 562159, 691888, 1124318, 1383776, 2248636, 4497272, 8994544, 17989088]

約数ペア:

[(1, 17989088), (2, 8994544), (4, 4497272), (8, 2248636), (13, 1383776), (16, 1124318), (26, 691888), (32, 562159), (52, 345944), (83, 216736), (104, 172972), (166, 108368), (208, 86486), (332, 54184), (416, 43243), (521, 34528), (664, 27092), (1042, 17264), (1079, 16672), (1328, 13546), (2084, 8632), (2158, 8336), (2656, 6773), (4168, 4316)]