261148152

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{640069}}^1$

素因数の和:640095

約数の個数: 32

約数和(自身を含む): 691275600

約数和(自身を除く): 430127448

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 640069, 1280138, 1920207, 2560276, 3840414, 5120552, 7680828, 10881173, 15361656, 21762346, 32643519, 43524692, 65287038, 87049384, 130574076, 261148152]

約数ペア:

[(1, 261148152), (2, 130574076), (3, 87049384), (4, 65287038), (6, 43524692), (8, 32643519), (12, 21762346), (17, 15361656), (24, 10881173), (34, 7680828), (51, 5120552), (68, 3840414), (102, 2560276), (136, 1920207), (204, 1280138), (408, 640069)]