642829838

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{269}}^1\times {\mathrm{1303}}^1$

素因数の和:1712

約数の個数: 32

約数和(自身を含む): 1115389440

約数和(自身を除く): 472559602

約数列:

[1, 2, 7, 14, 131, 262, 269, 538, 917, 1303, 1834, 1883, 2606, 3766, 9121, 18242, 35239, 70478, 170693, 246673, 341386, 350507, 493346, 701014, 1194851, 2389702, 2453549, 4907098, 45916417, 91832834, 321414919, 642829838]

約数ペア:

[(1, 642829838), (2, 321414919), (7, 91832834), (14, 45916417), (131, 4907098), (262, 2453549), (269, 2389702), (538, 1194851), (917, 701014), (1303, 493346), (1834, 350507), (1883, 341386), (2606, 246673), (3766, 170693), (9121, 70478), (18242, 35239)]