664352748

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{439}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 1701539840

約数和(自身を除く): 1037187092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 331, 381, 439, 508, 662, 762, 878, 993, 1143, 1317, 1324, 1524, 1756, 1986, 2286, 2634, 2979, 3951, 3972, 4572, 5268, 5958, 7902, 11916, 15804, 42037, 55753, 84074, 111506, 126111, 145309, 167259, 168148, 223012, 252222, 290618, 334518, 378333, 435927, 501777, 504444, 581236, 669036, 756666, 871854, 1003554, 1307781, 1513332, 1743708, 2007108, 2615562, 5231124, 18454243, 36908486, 55362729, 73816972, 110725458, 166088187, 221450916, 332176374, 664352748]

約数ペア:

[(1, 664352748), (2, 332176374), (3, 221450916), (4, 166088187), (6, 110725458), (9, 73816972), (12, 55362729), (18, 36908486), (36, 18454243), (127, 5231124), (254, 2615562), (331, 2007108), (381, 1743708), (439, 1513332), (508, 1307781), (662, 1003554), (762, 871854), (878, 756666), (993, 669036), (1143, 581236), (1317, 504444), (1324, 501777), (1524, 435927), (1756, 378333), (1986, 334518), (2286, 290618), (2634, 252222), (2979, 223012), (3951, 168148), (3972, 167259), (4572, 145309), (5268, 126111), (5958, 111506), (7902, 84074), (11916, 55753), (15804, 42037)]