664307564

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 1248199680

約数和(自身を除く): 583892116

約数列:

[1, 2, 4, 19, 38, 76, 103, 113, 206, 226, 412, 452, 751, 1502, 1957, 2147, 3004, 3914, 4294, 7828, 8588, 11639, 14269, 23278, 28538, 46556, 57076, 77353, 84863, 154706, 169726, 221141, 309412, 339452, 442282, 884564, 1469707, 1612397, 2939414, 3224794, 5878828, 6449588, 8740889, 17481778, 34963556, 166076891, 332153782, 664307564]

約数ペア:

[(1, 664307564), (2, 332153782), (4, 166076891), (19, 34963556), (38, 17481778), (76, 8740889), (103, 6449588), (113, 5878828), (206, 3224794), (226, 2939414), (412, 1612397), (452, 1469707), (751, 884564), (1502, 442282), (1957, 339452), (2147, 309412), (3004, 221141), (3914, 169726), (4294, 154706), (7828, 84863), (8588, 77353), (11639, 57076), (14269, 46556), (23278, 28538)]