208022178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2557}}^1$

素因数の和:2731

約数の個数: 64

約数和(自身を含む): 515692800

約数和(自身を除く): 307670622

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 78, 91, 149, 182, 273, 298, 447, 546, 894, 1043, 1937, 2086, 2557, 3129, 3874, 5114, 5811, 6258, 7671, 11622, 13559, 15342, 17899, 27118, 33241, 35798, 40677, 53697, 66482, 81354, 99723, 107394, 199446, 232687, 380993, 465374, 698061, 761986, 1142979, 1396122, 2285958, 2666951, 4952909, 5333902, 8000853, 9905818, 14858727, 16001706, 29717454, 34670363, 69340726, 104011089, 208022178]

約数ペア:

[(1, 208022178), (2, 104011089), (3, 69340726), (6, 34670363), (7, 29717454), (13, 16001706), (14, 14858727), (21, 9905818), (26, 8000853), (39, 5333902), (42, 4952909), (78, 2666951), (91, 2285958), (149, 1396122), (182, 1142979), (273, 761986), (298, 698061), (447, 465374), (546, 380993), (894, 232687), (1043, 199446), (1937, 107394), (2086, 99723), (2557, 81354), (3129, 66482), (3874, 53697), (5114, 40677), (5811, 35798), (6258, 33241), (7671, 27118), (11622, 17899), (13559, 15342)]