638863686

素因数分解:

$2^1\times 3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{5531}}^1$

素因数の和:5599

約数の個数: 80

約数和(自身を含む): 1542233088

約数和(自身を除く): 903369402

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 31, 46, 54, 62, 69, 81, 93, 138, 162, 186, 207, 279, 414, 558, 621, 713, 837, 1242, 1426, 1674, 1863, 2139, 2511, 3726, 4278, 5022, 5531, 6417, 11062, 12834, 16593, 19251, 33186, 38502, 49779, 57753, 99558, 115506, 127213, 149337, 171461, 254426, 298674, 342922, 381639, 448011, 514383, 763278, 896022, 1028766, 1144917, 1543149, 2289834, 3086298, 3434751, 3943603, 4629447, 6869502, 7887206, 9258894, 10304253, 11830809, 13888341, 20608506, 23661618, 27776682, 35492427, 70984854, 106477281, 212954562, 319431843, 638863686]

約数ペア:

[(1, 638863686), (2, 319431843), (3, 212954562), (6, 106477281), (9, 70984854), (18, 35492427), (23, 27776682), (27, 23661618), (31, 20608506), (46, 13888341), (54, 11830809), (62, 10304253), (69, 9258894), (81, 7887206), (93, 6869502), (138, 4629447), (162, 3943603), (186, 3434751), (207, 3086298), (279, 2289834), (414, 1543149), (558, 1144917), (621, 1028766), (713, 896022), (837, 763278), (1242, 514383), (1426, 448011), (1674, 381639), (1863, 342922), (2139, 298674), (2511, 254426), (3726, 171461), (4278, 149337), (5022, 127213), (5531, 115506), (6417, 99558), (11062, 57753), (12834, 49779), (16593, 38502), (19251, 33186)]