123899512

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 64

約数和(自身を含む): 262310400

約数和(自身を除く): 138410888

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 137, 172, 239, 274, 344, 473, 478, 548, 946, 956, 1096, 1507, 1892, 1912, 2629, 3014, 3784, 5258, 5891, 6028, 10277, 10516, 11782, 12056, 20554, 21032, 23564, 32743, 41108, 47128, 64801, 65486, 82216, 113047, 129602, 130972, 226094, 259204, 261944, 360173, 452188, 518408, 720346, 904376, 1407949, 1440692, 2815898, 2881384, 5631796, 11263592, 15487439, 30974878, 61949756, 123899512]

約数ペア:

[(1, 123899512), (2, 61949756), (4, 30974878), (8, 15487439), (11, 11263592), (22, 5631796), (43, 2881384), (44, 2815898), (86, 1440692), (88, 1407949), (137, 904376), (172, 720346), (239, 518408), (274, 452188), (344, 360173), (473, 261944), (478, 259204), (548, 226094), (946, 130972), (956, 129602), (1096, 113047), (1507, 82216), (1892, 65486), (1912, 64801), (2629, 47128), (3014, 41108), (3784, 32743), (5258, 23564), (5891, 21032), (6028, 20554), (10277, 12056), (10516, 11782)]