256218536

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 563760000

約数和(自身を除く): 307541464

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 173, 212, 346, 371, 424, 499, 692, 742, 998, 1211, 1384, 1484, 1996, 2422, 2968, 3493, 3992, 4844, 6986, 9169, 9688, 13972, 18338, 26447, 27944, 36676, 52894, 64183, 73352, 86327, 105788, 128366, 172654, 185129, 211576, 256732, 345308, 370258, 513464, 604289, 690616, 740516, 1208578, 1481032, 2417156, 4575331, 4834312, 9150662, 18301324, 32027317, 36602648, 64054634, 128109268, 256218536]

約数ペア:

[(1, 256218536), (2, 128109268), (4, 64054634), (7, 36602648), (8, 32027317), (14, 18301324), (28, 9150662), (53, 4834312), (56, 4575331), (106, 2417156), (173, 1481032), (212, 1208578), (346, 740516), (371, 690616), (424, 604289), (499, 513464), (692, 370258), (742, 345308), (998, 256732), (1211, 211576), (1384, 185129), (1484, 172654), (1996, 128366), (2422, 105788), (2968, 86327), (3493, 73352), (3992, 64183), (4844, 52894), (6986, 36676), (9169, 27944), (9688, 26447), (13972, 18338)]