405179748

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{919}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 1056211520

約数和(自身を除く): 651031772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 111, 148, 222, 331, 333, 444, 662, 666, 919, 993, 1324, 1332, 1838, 1986, 2757, 2979, 3676, 3972, 5514, 5958, 8271, 11028, 11916, 12247, 16542, 24494, 33084, 34003, 36741, 48988, 68006, 73482, 102009, 110223, 136012, 146964, 204018, 220446, 304189, 306027, 408036, 440892, 608378, 612054, 912567, 1216756, 1224108, 1825134, 2737701, 3650268, 5475402, 10950804, 11254993, 22509986, 33764979, 45019972, 67529958, 101294937, 135059916, 202589874, 405179748]

約数ペア:

[(1, 405179748), (2, 202589874), (3, 135059916), (4, 101294937), (6, 67529958), (9, 45019972), (12, 33764979), (18, 22509986), (36, 11254993), (37, 10950804), (74, 5475402), (111, 3650268), (148, 2737701), (222, 1825134), (331, 1224108), (333, 1216756), (444, 912567), (662, 612054), (666, 608378), (919, 440892), (993, 408036), (1324, 306027), (1332, 304189), (1838, 220446), (1986, 204018), (2757, 146964), (2979, 136012), (3676, 110223), (3972, 102009), (5514, 73482), (5958, 68006), (8271, 48988), (11028, 36741), (11916, 34003), (12247, 33084), (16542, 24494)]