664738386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1021}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 1520539776

約数和(自身を除く): 855801390

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 491, 663, 982, 1021, 1326, 1473, 2042, 2946, 3063, 6126, 6383, 8347, 12766, 13273, 16694, 17357, 19149, 25041, 26546, 34714, 38298, 39819, 50082, 52071, 79638, 104142, 108511, 217022, 225641, 325533, 451282, 501311, 651066, 676923, 1002622, 1353846, 1503933, 3007866, 6517043, 8522287, 13034086, 17044574, 19551129, 25566861, 39102258, 51133722, 110789731, 221579462, 332369193, 664738386]

約数ペア:

[(1, 664738386), (2, 332369193), (3, 221579462), (6, 110789731), (13, 51133722), (17, 39102258), (26, 25566861), (34, 19551129), (39, 17044574), (51, 13034086), (78, 8522287), (102, 6517043), (221, 3007866), (442, 1503933), (491, 1353846), (663, 1002622), (982, 676923), (1021, 651066), (1326, 501311), (1473, 451282), (2042, 325533), (2946, 225641), (3063, 217022), (6126, 108511), (6383, 104142), (8347, 79638), (12766, 52071), (13273, 50082), (16694, 39819), (17357, 38298), (19149, 34714), (25041, 26546)]