221522652

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15269}}^1$

素因数の和:15323

約数の個数: 72

約数和(自身を含む): 622527360

約数和(自身を除く): 401004708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 15269, 30538, 45807, 61076, 91614, 137421, 183228, 198497, 274842, 396994, 473339, 549684, 595491, 793988, 946678, 1190982, 1420017, 1786473, 1893356, 2381964, 2840034, 3572946, 4260051, 5680068, 6153407, 7145892, 8520102, 12306814, 17040204, 18460221, 24613628, 36920442, 55380663, 73840884, 110761326, 221522652]

約数ペア:

[(1, 221522652), (2, 110761326), (3, 73840884), (4, 55380663), (6, 36920442), (9, 24613628), (12, 18460221), (13, 17040204), (18, 12306814), (26, 8520102), (31, 7145892), (36, 6153407), (39, 5680068), (52, 4260051), (62, 3572946), (78, 2840034), (93, 2381964), (117, 1893356), (124, 1786473), (156, 1420017), (186, 1190982), (234, 946678), (279, 793988), (372, 595491), (403, 549684), (468, 473339), (558, 396994), (806, 274842), (1116, 198497), (1209, 183228), (1612, 137421), (2418, 91614), (3627, 61076), (4836, 45807), (7254, 30538), (14508, 15269)]