991019016

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6659}}^1$

素因数の和:6740

約数の個数: 128

約数和(自身を含む): 3020976000

約数和(自身を除く): 2029956984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 53, 54, 72, 78, 104, 106, 108, 117, 156, 159, 212, 216, 234, 312, 318, 351, 424, 468, 477, 636, 689, 702, 936, 954, 1272, 1378, 1404, 1431, 1908, 2067, 2756, 2808, 2862, 3816, 4134, 5512, 5724, 6201, 6659, 8268, 11448, 12402, 13318, 16536, 18603, 19977, 24804, 26636, 37206, 39954, 49608, 53272, 59931, 74412, 79908, 86567, 119862, 148824, 159816, 173134, 179793, 239724, 259701, 346268, 352927, 359586, 479448, 519402, 692536, 705854, 719172, 779103, 1038804, 1058781, 1411708, 1438344, 1558206, 2077608, 2117562, 2337309, 2823416, 3116412, 3176343, 4235124, 4588051, 4674618, 6232824, 6352686, 8470248, 9176102, 9349236, 9529029, 12705372, 13764153, 18352204, 18698472, 19058058, 25410744, 27528306, 36704408, 38116116, 41292459, 55056612, 76232232, 82584918, 110113224, 123877377, 165169836, 247754754, 330339672, 495509508, 991019016]

約数ペア:

[(1, 991019016), (2, 495509508), (3, 330339672), (4, 247754754), (6, 165169836), (8, 123877377), (9, 110113224), (12, 82584918), (13, 76232232), (18, 55056612), (24, 41292459), (26, 38116116), (27, 36704408), (36, 27528306), (39, 25410744), (52, 19058058), (53, 18698472), (54, 18352204), (72, 13764153), (78, 12705372), (104, 9529029), (106, 9349236), (108, 9176102), (117, 8470248), (156, 6352686), (159, 6232824), (212, 4674618), (216, 4588051), (234, 4235124), (312, 3176343), (318, 3116412), (351, 2823416), (424, 2337309), (468, 2117562), (477, 2077608), (636, 1558206), (689, 1438344), (702, 1411708), (936, 1058781), (954, 1038804), (1272, 779103), (1378, 719172), (1404, 705854), (1431, 692536), (1908, 519402), (2067, 479448), (2756, 359586), (2808, 352927), (2862, 346268), (3816, 259701), (4134, 239724), (5512, 179793), (5724, 173134), (6201, 159816), (6659, 148824), (8268, 119862), (11448, 86567), (12402, 79908), (13318, 74412), (16536, 59931), (18603, 53272), (19977, 49608), (24804, 39954), (26636, 37206)]