647354628

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{1151}}^1$

素因数の和:2097

約数の個数: 72

約数和(自身を含む): 1736017920

約数和(自身を除く): 1088663292

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 919, 1151, 1838, 2302, 2757, 3453, 3676, 4604, 5514, 6906, 8271, 10359, 11028, 13812, 15623, 16542, 19567, 20718, 31246, 33084, 39134, 41436, 46869, 58701, 62492, 78268, 93738, 117402, 140607, 176103, 187476, 234804, 281214, 352206, 562428, 704412, 1057769, 2115538, 3173307, 4231076, 6346614, 9519921, 12693228, 17982073, 19039842, 35964146, 38079684, 53946219, 71928292, 107892438, 161838657, 215784876, 323677314, 647354628]

約数ペア:

[(1, 647354628), (2, 323677314), (3, 215784876), (4, 161838657), (6, 107892438), (9, 71928292), (12, 53946219), (17, 38079684), (18, 35964146), (34, 19039842), (36, 17982073), (51, 12693228), (68, 9519921), (102, 6346614), (153, 4231076), (204, 3173307), (306, 2115538), (612, 1057769), (919, 704412), (1151, 562428), (1838, 352206), (2302, 281214), (2757, 234804), (3453, 187476), (3676, 176103), (4604, 140607), (5514, 117402), (6906, 93738), (8271, 78268), (10359, 62492), (11028, 58701), (13812, 46869), (15623, 41436), (16542, 39134), (19567, 33084), (20718, 31246)]