289733210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131101}}^1$

素因数の和:131138

約数の個数: 32

約数和(自身を含む): 594678672

約数和(自身を除く): 304945462

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 131101, 262202, 655505, 1311010, 1704313, 2228717, 3408626, 4457434, 8521565, 11143585, 17043130, 22287170, 28973321, 57946642, 144866605, 289733210]

約数ペア:

[(1, 289733210), (2, 144866605), (5, 57946642), (10, 28973321), (13, 22287170), (17, 17043130), (26, 11143585), (34, 8521565), (65, 4457434), (85, 3408626), (130, 2228717), (170, 1704313), (221, 1311010), (442, 655505), (1105, 262202), (2210, 131101)]