221279396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7723}}^1$

素因数の和:7788

約数の個数: 48

約数和(自身を含む): 454171200

約数和(自身を除く): 232891804

約数列:

[1, 2, 4, 13, 19, 26, 29, 38, 52, 58, 76, 116, 247, 377, 494, 551, 754, 988, 1102, 1508, 2204, 7163, 7723, 14326, 15446, 28652, 30892, 100399, 146737, 200798, 223967, 293474, 401596, 447934, 586948, 895868, 1907581, 2911571, 3815162, 4255373, 5823142, 7630324, 8510746, 11646284, 17021492, 55319849, 110639698, 221279396]

約数ペア:

[(1, 221279396), (2, 110639698), (4, 55319849), (13, 17021492), (19, 11646284), (26, 8510746), (29, 7630324), (38, 5823142), (52, 4255373), (58, 3815162), (76, 2911571), (116, 1907581), (247, 895868), (377, 586948), (494, 447934), (551, 401596), (754, 293474), (988, 223967), (1102, 200798), (1508, 146737), (2204, 100399), (7163, 30892), (7723, 28652), (14326, 15446)]