1637901616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1\times {\mathrm{653}}^1$

素因数の和:1094

約数の個数: 80

約数和(自身を含む): 3542273280

約数和(自身を除く): 1904371664

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 389, 403, 496, 653, 778, 806, 1306, 1556, 1612, 2612, 3112, 3224, 5057, 5224, 6224, 6448, 8489, 10114, 10448, 12059, 16978, 20228, 20243, 24118, 33956, 40456, 40486, 48236, 67912, 80912, 80972, 96472, 135824, 156767, 161944, 192944, 254017, 263159, 313534, 323888, 508034, 526318, 627068, 1016068, 1052636, 1254136, 2032136, 2105272, 2508272, 3302221, 4064272, 4210544, 6604442, 7874527, 13208884, 15749054, 26417768, 31498108, 52835536, 62996216, 102368851, 125992432, 204737702, 409475404, 818950808, 1637901616]

約数ペア:

[(1, 1637901616), (2, 818950808), (4, 409475404), (8, 204737702), (13, 125992432), (16, 102368851), (26, 62996216), (31, 52835536), (52, 31498108), (62, 26417768), (104, 15749054), (124, 13208884), (208, 7874527), (248, 6604442), (389, 4210544), (403, 4064272), (496, 3302221), (653, 2508272), (778, 2105272), (806, 2032136), (1306, 1254136), (1556, 1052636), (1612, 1016068), (2612, 627068), (3112, 526318), (3224, 508034), (5057, 323888), (5224, 313534), (6224, 263159), (6448, 254017), (8489, 192944), (10114, 161944), (10448, 156767), (12059, 135824), (16978, 96472), (20228, 80972), (20243, 80912), (24118, 67912), (33956, 48236), (40456, 40486)]