1999565532

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{6491}}^1$

素因数の和:6743

約数の個数: 72

約数和(自身を含む): 5198793600

約数和(自身を除く): 3199228068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 172, 199, 258, 387, 398, 516, 597, 774, 796, 1194, 1548, 1791, 2388, 3582, 6491, 7164, 8557, 12982, 17114, 19473, 25671, 25964, 34228, 38946, 51342, 58419, 77013, 77892, 102684, 116838, 154026, 233676, 279113, 308052, 558226, 837339, 1116452, 1291709, 1674678, 2512017, 2583418, 3349356, 3875127, 5024034, 5166836, 7750254, 10048068, 11625381, 15500508, 23250762, 46501524, 55543487, 111086974, 166630461, 222173948, 333260922, 499891383, 666521844, 999782766, 1999565532]

約数ペア:

[(1, 1999565532), (2, 999782766), (3, 666521844), (4, 499891383), (6, 333260922), (9, 222173948), (12, 166630461), (18, 111086974), (36, 55543487), (43, 46501524), (86, 23250762), (129, 15500508), (172, 11625381), (199, 10048068), (258, 7750254), (387, 5166836), (398, 5024034), (516, 3875127), (597, 3349356), (774, 2583418), (796, 2512017), (1194, 1674678), (1548, 1291709), (1791, 1116452), (2388, 837339), (3582, 558226), (6491, 308052), (7164, 279113), (8557, 233676), (12982, 154026), (17114, 116838), (19473, 102684), (25671, 77892), (25964, 77013), (34228, 58419), (38946, 51342)]