257165496

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{601}}^1$

素因数の和:906

約数の個数: 128

約数和(自身を含む): 820646400

約数和(自身を除く): 563480904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 283, 378, 504, 566, 601, 756, 849, 1132, 1202, 1512, 1698, 1803, 1981, 2264, 2404, 2547, 3396, 3606, 3962, 4207, 4808, 5094, 5409, 5943, 6792, 7212, 7641, 7924, 8414, 10188, 10818, 11886, 12621, 14424, 15282, 15848, 16227, 16828, 17829, 20376, 21636, 23772, 25242, 30564, 32454, 33656, 35658, 37863, 43272, 47544, 50484, 53487, 61128, 64908, 71316, 75726, 100968, 106974, 113589, 129816, 142632, 151452, 170083, 213948, 227178, 302904, 340166, 427896, 454356, 510249, 680332, 908712, 1020498, 1190581, 1360664, 1530747, 2040996, 2381162, 3061494, 3571743, 4081992, 4592241, 4762324, 6122988, 7143486, 9184482, 9524648, 10715229, 12245976, 14286972, 18368964, 21430458, 28573944, 32145687, 36737928, 42860916, 64291374, 85721832, 128582748, 257165496]

約数ペア:

[(1, 257165496), (2, 128582748), (3, 85721832), (4, 64291374), (6, 42860916), (7, 36737928), (8, 32145687), (9, 28573944), (12, 21430458), (14, 18368964), (18, 14286972), (21, 12245976), (24, 10715229), (27, 9524648), (28, 9184482), (36, 7143486), (42, 6122988), (54, 4762324), (56, 4592241), (63, 4081992), (72, 3571743), (84, 3061494), (108, 2381162), (126, 2040996), (168, 1530747), (189, 1360664), (216, 1190581), (252, 1020498), (283, 908712), (378, 680332), (504, 510249), (566, 454356), (601, 427896), (756, 340166), (849, 302904), (1132, 227178), (1202, 213948), (1512, 170083), (1698, 151452), (1803, 142632), (1981, 129816), (2264, 113589), (2404, 106974), (2547, 100968), (3396, 75726), (3606, 71316), (3962, 64908), (4207, 61128), (4808, 53487), (5094, 50484), (5409, 47544), (5943, 43272), (6792, 37863), (7212, 35658), (7641, 33656), (7924, 32454), (8414, 30564), (10188, 25242), (10818, 23772), (11886, 21636), (12621, 20376), (14424, 17829), (15282, 16828), (15848, 16227)]