405909828

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{229}}^1\times {\mathrm{929}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 1051104600

約数和(自身を除く): 645194772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 229, 318, 458, 477, 636, 687, 916, 929, 954, 1374, 1858, 1908, 2061, 2748, 2787, 3716, 4122, 5574, 8244, 8361, 11148, 12137, 16722, 24274, 33444, 36411, 48548, 49237, 72822, 98474, 109233, 145644, 147711, 196948, 212741, 218466, 295422, 425482, 436932, 443133, 590844, 638223, 850964, 886266, 1276446, 1772532, 1914669, 2552892, 3829338, 7658676, 11275273, 22550546, 33825819, 45101092, 67651638, 101477457, 135303276, 202954914, 405909828]

約数ペア:

[(1, 405909828), (2, 202954914), (3, 135303276), (4, 101477457), (6, 67651638), (9, 45101092), (12, 33825819), (18, 22550546), (36, 11275273), (53, 7658676), (106, 3829338), (159, 2552892), (212, 1914669), (229, 1772532), (318, 1276446), (458, 886266), (477, 850964), (636, 638223), (687, 590844), (916, 443133), (929, 436932), (954, 425482), (1374, 295422), (1858, 218466), (1908, 212741), (2061, 196948), (2748, 147711), (2787, 145644), (3716, 109233), (4122, 98474), (5574, 72822), (8244, 49237), (8361, 48548), (11148, 36411), (12137, 33444), (16722, 24274)]