217643076

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{11831}}^1$

素因数の和:11921

約数の個数: 72

約数和(自身を含む): 637413504

約数和(自身を除く): 419770428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 73, 84, 126, 146, 219, 252, 292, 438, 511, 657, 876, 1022, 1314, 1533, 2044, 2628, 3066, 4599, 6132, 9198, 11831, 18396, 23662, 35493, 47324, 70986, 82817, 106479, 141972, 165634, 212958, 248451, 331268, 425916, 496902, 745353, 863663, 993804, 1490706, 1727326, 2590989, 2981412, 3454652, 5181978, 6045641, 7772967, 10363956, 12091282, 15545934, 18136923, 24182564, 31091868, 36273846, 54410769, 72547692, 108821538, 217643076]

約数ペア:

[(1, 217643076), (2, 108821538), (3, 72547692), (4, 54410769), (6, 36273846), (7, 31091868), (9, 24182564), (12, 18136923), (14, 15545934), (18, 12091282), (21, 10363956), (28, 7772967), (36, 6045641), (42, 5181978), (63, 3454652), (73, 2981412), (84, 2590989), (126, 1727326), (146, 1490706), (219, 993804), (252, 863663), (292, 745353), (438, 496902), (511, 425916), (657, 331268), (876, 248451), (1022, 212958), (1314, 165634), (1533, 141972), (2044, 106479), (2628, 82817), (3066, 70986), (4599, 47324), (6132, 35493), (9198, 23662), (11831, 18396)]