221957892

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15299}}^1$

素因数の和:15353

約数の個数: 72

約数和(自身を含む): 623750400

約数和(自身を除く): 401792508

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, 15299, 30598, 45897, 61196, 91794, 137691, 183588, 198887, 275382, 397774, 474269, 550764, 596661, 795548, 948538, 1193322, 1422807, 1789983, 1897076, 2386644, 2845614, 3579966, 4268421, 5691228, 6165497, 7159932, 8536842, 12330994, 17073684, 18496491, 24661988, 36992982, 55489473, 73985964, 110978946, 221957892]

約数ペア:

[(1, 221957892), (2, 110978946), (3, 73985964), (4, 55489473), (6, 36992982), (9, 24661988), (12, 18496491), (13, 17073684), (18, 12330994), (26, 8536842), (31, 7159932), (36, 6165497), (39, 5691228), (52, 4268421), (62, 3579966), (78, 2845614), (93, 2386644), (117, 1897076), (124, 1789983), (156, 1422807), (186, 1193322), (234, 948538), (279, 795548), (372, 596661), (403, 550764), (468, 474269), (558, 397774), (806, 275382), (1116, 198887), (1209, 183588), (1612, 137691), (2418, 91794), (3627, 61196), (4836, 45897), (7254, 30598), (14508, 15299)]