28186340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{911}}^1$

素因数の和:957

約数の個数: 96

約数和(自身を含む): 77220864

約数和(自身を除く): 49034524

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 911, 1105, 1190, 1547, 1820, 1822, 2210, 2380, 3094, 3644, 4420, 4555, 6188, 6377, 7735, 9110, 11843, 12754, 15470, 15487, 18220, 23686, 25508, 30940, 30974, 31885, 47372, 59215, 61948, 63770, 77435, 82901, 108409, 118430, 127540, 154870, 165802, 201331, 216818, 236860, 309740, 331604, 402662, 414505, 433636, 542045, 805324, 829010, 1006655, 1084090, 1409317, 1658020, 2013310, 2168180, 2818634, 4026620, 5637268, 7046585, 14093170, 28186340]

約数ペア:

[(1, 28186340), (2, 14093170), (4, 7046585), (5, 5637268), (7, 4026620), (10, 2818634), (13, 2168180), (14, 2013310), (17, 1658020), (20, 1409317), (26, 1084090), (28, 1006655), (34, 829010), (35, 805324), (52, 542045), (65, 433636), (68, 414505), (70, 402662), (85, 331604), (91, 309740), (119, 236860), (130, 216818), (140, 201331), (170, 165802), (182, 154870), (221, 127540), (238, 118430), (260, 108409), (340, 82901), (364, 77435), (442, 63770), (455, 61948), (476, 59215), (595, 47372), (884, 31885), (910, 30974), (911, 30940), (1105, 25508), (1190, 23686), (1547, 18220), (1820, 15487), (1822, 15470), (2210, 12754), (2380, 11843), (3094, 9110), (3644, 7735), (4420, 6377), (4555, 6188)]