51129390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131101}}^1$

素因数の和:131124

約数の個数: 32

約数和(自身を含む): 132150816

約数和(自身を除く): 81021426

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 131101, 262202, 393303, 655505, 786606, 1311010, 1704313, 1966515, 3408626, 3933030, 5112939, 8521565, 10225878, 17043130, 25564695, 51129390]

約数ペア:

[(1, 51129390), (2, 25564695), (3, 17043130), (5, 10225878), (6, 8521565), (10, 5112939), (13, 3933030), (15, 3408626), (26, 1966515), (30, 1704313), (39, 1311010), (65, 786606), (78, 655505), (130, 393303), (195, 262202), (390, 131101)]