28757124

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{719}}^1$

素因数の和:841

約数の個数: 72

約数和(自身を含む): 80196480

約数和(自身を除く): 51439356

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 101, 132, 198, 202, 303, 396, 404, 606, 719, 909, 1111, 1212, 1438, 1818, 2157, 2222, 2876, 3333, 3636, 4314, 4444, 6471, 6666, 7909, 8628, 9999, 12942, 13332, 15818, 19998, 23727, 25884, 31636, 39996, 47454, 71181, 72619, 94908, 142362, 145238, 217857, 284724, 290476, 435714, 653571, 798809, 871428, 1307142, 1597618, 2396427, 2614284, 3195236, 4792854, 7189281, 9585708, 14378562, 28757124]

約数ペア:

[(1, 28757124), (2, 14378562), (3, 9585708), (4, 7189281), (6, 4792854), (9, 3195236), (11, 2614284), (12, 2396427), (18, 1597618), (22, 1307142), (33, 871428), (36, 798809), (44, 653571), (66, 435714), (99, 290476), (101, 284724), (132, 217857), (198, 145238), (202, 142362), (303, 94908), (396, 72619), (404, 71181), (606, 47454), (719, 39996), (909, 31636), (1111, 25884), (1212, 23727), (1438, 19998), (1818, 15818), (2157, 13332), (2222, 12942), (2876, 9999), (3333, 8628), (3636, 7909), (4314, 6666), (4444, 6471)]