221816532

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:378

約数の個数: 144

約数和(自身を含む): 638195712

約数和(自身を除く): 416379180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 31, 42, 43, 49, 62, 84, 86, 93, 98, 124, 129, 147, 172, 186, 196, 217, 258, 283, 294, 301, 372, 434, 516, 566, 588, 602, 651, 849, 868, 903, 1132, 1204, 1302, 1333, 1519, 1698, 1806, 1981, 2107, 2604, 2666, 3038, 3396, 3612, 3962, 3999, 4214, 4557, 5332, 5943, 6076, 6321, 7924, 7998, 8428, 8773, 9114, 9331, 11886, 12169, 12642, 13867, 15996, 17546, 18228, 18662, 23772, 24338, 25284, 26319, 27734, 27993, 35092, 36507, 37324, 41601, 48676, 52638, 55468, 55986, 61411, 65317, 73014, 83202, 85183, 105276, 111972, 122822, 130634, 146028, 166404, 170366, 184233, 195951, 245644, 255549, 261268, 340732, 368466, 377239, 391902, 429877, 511098, 596281, 736932, 754478, 783804, 859754, 1022196, 1131717, 1192562, 1289631, 1508956, 1719508, 1788843, 2263434, 2385124, 2579262, 2640673, 3577686, 4526868, 5158524, 5281346, 7155372, 7922019, 10562692, 15844038, 18484711, 31688076, 36969422, 55454133, 73938844, 110908266, 221816532]

約数ペア:

[(1, 221816532), (2, 110908266), (3, 73938844), (4, 55454133), (6, 36969422), (7, 31688076), (12, 18484711), (14, 15844038), (21, 10562692), (28, 7922019), (31, 7155372), (42, 5281346), (43, 5158524), (49, 4526868), (62, 3577686), (84, 2640673), (86, 2579262), (93, 2385124), (98, 2263434), (124, 1788843), (129, 1719508), (147, 1508956), (172, 1289631), (186, 1192562), (196, 1131717), (217, 1022196), (258, 859754), (283, 783804), (294, 754478), (301, 736932), (372, 596281), (434, 511098), (516, 429877), (566, 391902), (588, 377239), (602, 368466), (651, 340732), (849, 261268), (868, 255549), (903, 245644), (1132, 195951), (1204, 184233), (1302, 170366), (1333, 166404), (1519, 146028), (1698, 130634), (1806, 122822), (1981, 111972), (2107, 105276), (2604, 85183), (2666, 83202), (3038, 73014), (3396, 65317), (3612, 61411), (3962, 55986), (3999, 55468), (4214, 52638), (4557, 48676), (5332, 41601), (5943, 37324), (6076, 36507), (6321, 35092), (7924, 27993), (7998, 27734), (8428, 26319), (8773, 25284), (9114, 24338), (9331, 23772), (11886, 18662), (12169, 18228), (12642, 17546), (13867, 15996)]