31371356

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 61205760

約数和(自身を除く): 29834404

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 131, 137, 262, 274, 437, 524, 548, 874, 1748, 2489, 2603, 3013, 3151, 4978, 5206, 6026, 6302, 9956, 10412, 12052, 12604, 17947, 35894, 57247, 59869, 71788, 114494, 119738, 228988, 239476, 340993, 412781, 681986, 825562, 1363972, 1651124, 7842839, 15685678, 31371356]

約数ペア:

[(1, 31371356), (2, 15685678), (4, 7842839), (19, 1651124), (23, 1363972), (38, 825562), (46, 681986), (76, 412781), (92, 340993), (131, 239476), (137, 228988), (262, 119738), (274, 114494), (437, 71788), (524, 59869), (548, 57247), (874, 35894), (1748, 17947), (2489, 12604), (2603, 12052), (3013, 10412), (3151, 9956), (4978, 6302), (5206, 6026)]