31601904

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 85244544

約数和(自身を除く): 53642640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 61, 86, 122, 129, 172, 183, 244, 251, 258, 344, 366, 488, 502, 516, 688, 732, 753, 976, 1004, 1032, 1464, 1506, 2008, 2064, 2623, 2928, 3012, 4016, 5246, 6024, 7869, 10492, 10793, 12048, 15311, 15738, 20984, 21586, 30622, 31476, 32379, 41968, 43172, 45933, 61244, 62952, 64758, 86344, 91866, 122488, 125904, 129516, 172688, 183732, 244976, 259032, 367464, 518064, 658373, 734928, 1316746, 1975119, 2633492, 3950238, 5266984, 7900476, 10533968, 15800952, 31601904]

約数ペア:

[(1, 31601904), (2, 15800952), (3, 10533968), (4, 7900476), (6, 5266984), (8, 3950238), (12, 2633492), (16, 1975119), (24, 1316746), (43, 734928), (48, 658373), (61, 518064), (86, 367464), (122, 259032), (129, 244976), (172, 183732), (183, 172688), (244, 129516), (251, 125904), (258, 122488), (344, 91866), (366, 86344), (488, 64758), (502, 62952), (516, 61244), (688, 45933), (732, 43172), (753, 41968), (976, 32379), (1004, 31476), (1032, 30622), (1464, 21586), (1506, 20984), (2008, 15738), (2064, 15311), (2623, 12048), (2928, 10793), (3012, 10492), (4016, 7869), (5246, 6024)]