81492444

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10831}}^1$

素因数の和:10871

約数の個数: 72

約数和(自身を含む): 236570880

約数和(自身を除く): 155078436

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 33, 36, 38, 44, 57, 66, 76, 99, 114, 132, 171, 198, 209, 228, 342, 396, 418, 627, 684, 836, 1254, 1881, 2508, 3762, 7524, 10831, 21662, 32493, 43324, 64986, 97479, 119141, 129972, 194958, 205789, 238282, 357423, 389916, 411578, 476564, 617367, 714846, 823156, 1072269, 1234734, 1429692, 1852101, 2144538, 2263679, 2469468, 3704202, 4289076, 4527358, 6791037, 7408404, 9054716, 13582074, 20373111, 27164148, 40746222, 81492444]

約数ペア:

[(1, 81492444), (2, 40746222), (3, 27164148), (4, 20373111), (6, 13582074), (9, 9054716), (11, 7408404), (12, 6791037), (18, 4527358), (19, 4289076), (22, 3704202), (33, 2469468), (36, 2263679), (38, 2144538), (44, 1852101), (57, 1429692), (66, 1234734), (76, 1072269), (99, 823156), (114, 714846), (132, 617367), (171, 476564), (198, 411578), (209, 389916), (228, 357423), (342, 238282), (396, 205789), (418, 194958), (627, 129972), (684, 119141), (836, 97479), (1254, 64986), (1881, 43324), (2508, 32493), (3762, 21662), (7524, 10831)]