28868788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{113}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 58317840

約数和(自身を除く): 29449052

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 113, 221, 226, 289, 442, 452, 578, 884, 1156, 1469, 1921, 2938, 3757, 3842, 4913, 5876, 7514, 7684, 9826, 15028, 19652, 24973, 32657, 49946, 63869, 65314, 99892, 127738, 130628, 255476, 424541, 555169, 849082, 1110338, 1698164, 2220676, 7217197, 14434394, 28868788]

約数ペア:

[(1, 28868788), (2, 14434394), (4, 7217197), (13, 2220676), (17, 1698164), (26, 1110338), (34, 849082), (52, 555169), (68, 424541), (113, 255476), (221, 130628), (226, 127738), (289, 99892), (442, 65314), (452, 63869), (578, 49946), (884, 32657), (1156, 24973), (1469, 19652), (1921, 15028), (2938, 9826), (3757, 7684), (3842, 7514), (4913, 5876)]