31312912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 69370560

約数和(自身を除く): 38057648

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 73, 76, 83, 136, 146, 152, 166, 272, 292, 304, 323, 332, 584, 646, 664, 1168, 1241, 1292, 1328, 1387, 1411, 1577, 2482, 2584, 2774, 2822, 3154, 4964, 5168, 5548, 5644, 6059, 6308, 9928, 11096, 11288, 12118, 12616, 19856, 22192, 22576, 23579, 24236, 25232, 26809, 47158, 48472, 53618, 94316, 96944, 103003, 107236, 115121, 188632, 206006, 214472, 230242, 377264, 412012, 428944, 460484, 824024, 920968, 1648048, 1841936, 1957057, 3914114, 7828228, 15656456, 31312912]

約数ペア:

[(1, 31312912), (2, 15656456), (4, 7828228), (8, 3914114), (16, 1957057), (17, 1841936), (19, 1648048), (34, 920968), (38, 824024), (68, 460484), (73, 428944), (76, 412012), (83, 377264), (136, 230242), (146, 214472), (152, 206006), (166, 188632), (272, 115121), (292, 107236), (304, 103003), (323, 96944), (332, 94316), (584, 53618), (646, 48472), (664, 47158), (1168, 26809), (1241, 25232), (1292, 24236), (1328, 23579), (1387, 22576), (1411, 22192), (1577, 19856), (2482, 12616), (2584, 12118), (2774, 11288), (2822, 11096), (3154, 9928), (4964, 6308), (5168, 6059), (5548, 5644)]