661609368

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{187531}}^1$

素因数の和:187557

約数の個数: 72

約数和(自身を含む): 2084418180

約数和(自身を除く): 1422808812

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 187531, 375062, 562593, 750124, 1125186, 1312717, 1500248, 1687779, 2250372, 2625434, 3375558, 3938151, 4500744, 5250868, 6751116, 7876302, 9189019, 10501736, 11814453, 13502232, 15752604, 18378038, 23628906, 27567057, 31505208, 36756076, 47257812, 55134114, 73512152, 82701171, 94515624, 110268228, 165402342, 220536456, 330804684, 661609368]

約数ペア:

[(1, 661609368), (2, 330804684), (3, 220536456), (4, 165402342), (6, 110268228), (7, 94515624), (8, 82701171), (9, 73512152), (12, 55134114), (14, 47257812), (18, 36756076), (21, 31505208), (24, 27567057), (28, 23628906), (36, 18378038), (42, 15752604), (49, 13502232), (56, 11814453), (63, 10501736), (72, 9189019), (84, 7876302), (98, 6751116), (126, 5250868), (147, 4500744), (168, 3938151), (196, 3375558), (252, 2625434), (294, 2250372), (392, 1687779), (441, 1500248), (504, 1312717), (588, 1125186), (882, 750124), (1176, 562593), (1764, 375062), (3528, 187531)]