1791728638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{419}}^1$

素因数の和:685

約数の個数: 64

約数和(自身を含む): 3251404800

約数和(自身を除く): 1459676162

約数列:

[1, 2, 7, 14, 31, 59, 62, 118, 167, 217, 334, 413, 419, 434, 826, 838, 1169, 1829, 2338, 2933, 3658, 5177, 5866, 9853, 10354, 12803, 12989, 19706, 24721, 25606, 25978, 36239, 49442, 68971, 69973, 72478, 90923, 137942, 139946, 173047, 181846, 305443, 346094, 489811, 610886, 766351, 979622, 1532702, 2138101, 2169163, 4128407, 4276202, 4338326, 5364457, 8256814, 10728914, 15184141, 28898849, 30368282, 57797698, 127980617, 255961234, 895864319, 1791728638]

約数ペア:

[(1, 1791728638), (2, 895864319), (7, 255961234), (14, 127980617), (31, 57797698), (59, 30368282), (62, 28898849), (118, 15184141), (167, 10728914), (217, 8256814), (334, 5364457), (413, 4338326), (419, 4276202), (434, 4128407), (826, 2169163), (838, 2138101), (1169, 1532702), (1829, 979622), (2338, 766351), (2933, 610886), (3658, 489811), (5177, 346094), (5866, 305443), (9853, 181846), (10354, 173047), (12803, 139946), (12989, 137942), (19706, 90923), (24721, 72478), (25606, 69973), (25978, 68971), (36239, 49442)]