654418634

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 1075444128

約数和(自身を除く): 421025494

約数列:

[1, 2, 19, 38, 43, 86, 107, 197, 214, 361, 394, 722, 817, 1634, 2033, 3743, 4066, 4601, 7486, 8471, 9202, 15523, 16942, 21079, 31046, 38627, 42158, 71117, 77254, 87419, 142234, 160949, 174838, 321898, 400501, 801002, 906397, 1660961, 1812794, 3058031, 3321922, 6116062, 7609519, 15219038, 17221543, 34443086, 327209317, 654418634]

約数ペア:

[(1, 654418634), (2, 327209317), (19, 34443086), (38, 17221543), (43, 15219038), (86, 7609519), (107, 6116062), (197, 3321922), (214, 3058031), (361, 1812794), (394, 1660961), (722, 906397), (817, 801002), (1634, 400501), (2033, 321898), (3743, 174838), (4066, 160949), (4601, 142234), (7486, 87419), (8471, 77254), (9202, 71117), (15523, 42158), (16942, 38627), (21079, 31046)]