1639813644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{138451}}^1$

素因数の和:138515

約数の個数: 72

約数和(自身を含む): 4838066688

約数和(自身を除く): 3198253044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 47, 63, 84, 94, 126, 141, 188, 252, 282, 329, 423, 564, 658, 846, 987, 1316, 1692, 1974, 2961, 3948, 5922, 11844, 138451, 276902, 415353, 553804, 830706, 969157, 1246059, 1661412, 1938314, 2492118, 2907471, 3876628, 4984236, 5814942, 6507197, 8722413, 11629884, 13014394, 17444826, 19521591, 26028788, 34889652, 39043182, 45550379, 58564773, 78086364, 91100758, 117129546, 136651137, 182201516, 234259092, 273302274, 409953411, 546604548, 819906822, 1639813644]

約数ペア:

[(1, 1639813644), (2, 819906822), (3, 546604548), (4, 409953411), (6, 273302274), (7, 234259092), (9, 182201516), (12, 136651137), (14, 117129546), (18, 91100758), (21, 78086364), (28, 58564773), (36, 45550379), (42, 39043182), (47, 34889652), (63, 26028788), (84, 19521591), (94, 17444826), (126, 13014394), (141, 11629884), (188, 8722413), (252, 6507197), (282, 5814942), (329, 4984236), (423, 3876628), (564, 2907471), (658, 2492118), (846, 1938314), (987, 1661412), (1316, 1246059), (1692, 969157), (1974, 830706), (2961, 553804), (3948, 415353), (5922, 276902), (11844, 138451)]