31910904

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 97830720

約数和(自身を除く): 65919816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 29, 31, 34, 36, 51, 58, 62, 68, 72, 87, 93, 102, 116, 124, 136, 153, 174, 186, 204, 232, 248, 261, 279, 306, 348, 372, 408, 493, 522, 527, 558, 612, 696, 744, 841, 899, 986, 1044, 1054, 1116, 1224, 1479, 1581, 1682, 1798, 1972, 2088, 2108, 2232, 2523, 2697, 2958, 3162, 3364, 3596, 3944, 4216, 4437, 4743, 5046, 5394, 5916, 6324, 6728, 7192, 7569, 8091, 8874, 9486, 10092, 10788, 11832, 12648, 14297, 15138, 15283, 16182, 17748, 18972, 20184, 21576, 26071, 28594, 30276, 30566, 32364, 35496, 37944, 42891, 45849, 52142, 57188, 60552, 61132, 64728, 78213, 85782, 91698, 104284, 114376, 122264, 128673, 137547, 156426, 171564, 183396, 208568, 234639, 257346, 275094, 312852, 343128, 366792, 443207, 469278, 514692, 550188, 625704, 886414, 938556, 1029384, 1100376, 1329621, 1772828, 1877112, 2659242, 3545656, 3988863, 5318484, 7977726, 10636968, 15955452, 31910904]

約数ペア:

[(1, 31910904), (2, 15955452), (3, 10636968), (4, 7977726), (6, 5318484), (8, 3988863), (9, 3545656), (12, 2659242), (17, 1877112), (18, 1772828), (24, 1329621), (29, 1100376), (31, 1029384), (34, 938556), (36, 886414), (51, 625704), (58, 550188), (62, 514692), (68, 469278), (72, 443207), (87, 366792), (93, 343128), (102, 312852), (116, 275094), (124, 257346), (136, 234639), (153, 208568), (174, 183396), (186, 171564), (204, 156426), (232, 137547), (248, 128673), (261, 122264), (279, 114376), (306, 104284), (348, 91698), (372, 85782), (408, 78213), (493, 64728), (522, 61132), (527, 60552), (558, 57188), (612, 52142), (696, 45849), (744, 42891), (841, 37944), (899, 35496), (986, 32364), (1044, 30566), (1054, 30276), (1116, 28594), (1224, 26071), (1479, 21576), (1581, 20184), (1682, 18972), (1798, 17748), (1972, 16182), (2088, 15283), (2108, 15138), (2232, 14297), (2523, 12648), (2697, 11832), (2958, 10788), (3162, 10092), (3364, 9486), (3596, 8874), (3944, 8091), (4216, 7569), (4437, 7192), (4743, 6728), (5046, 6324), (5394, 5916)]