639388422142

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{563}}^1\times {\mathrm{4229}}^1$

素因数の和:5041

約数の個数: 64

約数和(自身を含む): 1044372787200

約数和(自身を除く): 404984365058

約数列:

[1, 2, 19, 37, 38, 74, 191, 382, 563, 703, 1126, 1406, 3629, 4229, 7067, 7258, 8458, 10697, 14134, 20831, 21394, 41662, 80351, 107533, 134273, 156473, 160702, 215066, 268546, 312946, 395789, 791578, 807739, 1615478, 2043127, 2380927, 2972987, 3978721, 4086254, 4761854, 5945974, 7957442, 15347041, 29886343, 30694082, 45237613, 59772686, 75595699, 88094299, 90475226, 151191398, 176188598, 454757057, 567840517, 909514114, 1135681034, 1673791681, 3347583362, 8640384083, 16826011109, 17280768166, 33652022218, 319694211071, 639388422142]

約数ペア:

[(1, 639388422142), (2, 319694211071), (19, 33652022218), (37, 17280768166), (38, 16826011109), (74, 8640384083), (191, 3347583362), (382, 1673791681), (563, 1135681034), (703, 909514114), (1126, 567840517), (1406, 454757057), (3629, 176188598), (4229, 151191398), (7067, 90475226), (7258, 88094299), (8458, 75595699), (10697, 59772686), (14134, 45237613), (20831, 30694082), (21394, 29886343), (41662, 15347041), (80351, 7957442), (107533, 5945974), (134273, 4761854), (156473, 4086254), (160702, 3978721), (215066, 2972987), (268546, 2380927), (312946, 2043127), (395789, 1615478), (791578, 807739)]