221106756

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3517}}^1$

素因数の和:3581

約数の個数: 72

約数和(自身を含む): 576839424

約数和(自身を除く): 355732668

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 169, 186, 338, 372, 403, 507, 676, 806, 1014, 1209, 1612, 2028, 2418, 3517, 4836, 5239, 7034, 10478, 10551, 14068, 15717, 20956, 21102, 31434, 42204, 45721, 62868, 91442, 109027, 137163, 182884, 218054, 274326, 327081, 436108, 548652, 594373, 654162, 1188746, 1308324, 1417351, 1783119, 2377492, 2834702, 3566238, 4252053, 5669404, 7132476, 8504106, 17008212, 18425563, 36851126, 55276689, 73702252, 110553378, 221106756]

約数ペア:

[(1, 221106756), (2, 110553378), (3, 73702252), (4, 55276689), (6, 36851126), (12, 18425563), (13, 17008212), (26, 8504106), (31, 7132476), (39, 5669404), (52, 4252053), (62, 3566238), (78, 2834702), (93, 2377492), (124, 1783119), (156, 1417351), (169, 1308324), (186, 1188746), (338, 654162), (372, 594373), (403, 548652), (507, 436108), (676, 327081), (806, 274326), (1014, 218054), (1209, 182884), (1612, 137163), (2028, 109027), (2418, 91442), (3517, 62868), (4836, 45721), (5239, 42204), (7034, 31434), (10478, 21102), (10551, 20956), (14068, 15717)]