221889556

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^2$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 483477120

約数和(自身を除く): 261587564

約数列:

[1, 2, 4, 7, 14, 23, 28, 29, 46, 58, 92, 109, 116, 161, 203, 218, 322, 406, 436, 644, 667, 763, 812, 1334, 1526, 2507, 2668, 3052, 3161, 4669, 5014, 6322, 9338, 10028, 11881, 12644, 17549, 18676, 22127, 23762, 35098, 44254, 47524, 70196, 72703, 83167, 88508, 145406, 166334, 273263, 290812, 332668, 344549, 508921, 546526, 689098, 1017842, 1093052, 1378196, 1912841, 2035684, 2411843, 3825682, 4823686, 7651364, 7924627, 9647372, 15849254, 31698508, 55472389, 110944778, 221889556]

約数ペア:

[(1, 221889556), (2, 110944778), (4, 55472389), (7, 31698508), (14, 15849254), (23, 9647372), (28, 7924627), (29, 7651364), (46, 4823686), (58, 3825682), (92, 2411843), (109, 2035684), (116, 1912841), (161, 1378196), (203, 1093052), (218, 1017842), (322, 689098), (406, 546526), (436, 508921), (644, 344549), (667, 332668), (763, 290812), (812, 273263), (1334, 166334), (1526, 145406), (2507, 88508), (2668, 83167), (3052, 72703), (3161, 70196), (4669, 47524), (5014, 44254), (6322, 35098), (9338, 23762), (10028, 22127), (11881, 18676), (12644, 17549)]