28323756

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 120

約数和(自身を含む): 80498880

約数和(自身を除く): 52175124

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 43, 54, 57, 76, 81, 86, 107, 108, 114, 129, 162, 171, 172, 214, 228, 258, 321, 324, 342, 387, 428, 513, 516, 642, 684, 774, 817, 963, 1026, 1161, 1284, 1539, 1548, 1634, 1926, 2033, 2052, 2322, 2451, 2889, 3078, 3268, 3483, 3852, 4066, 4601, 4644, 4902, 5778, 6099, 6156, 6966, 7353, 8132, 8667, 9202, 9804, 11556, 12198, 13803, 13932, 14706, 17334, 18297, 18404, 22059, 24396, 27606, 29412, 34668, 36594, 41409, 44118, 54891, 55212, 66177, 73188, 82818, 87419, 88236, 109782, 124227, 132354, 164673, 165636, 174838, 219564, 248454, 262257, 264708, 329346, 349676, 372681, 496908, 524514, 658692, 745362, 786771, 1049028, 1490724, 1573542, 2360313, 3147084, 4720626, 7080939, 9441252, 14161878, 28323756]

約数ペア:

[(1, 28323756), (2, 14161878), (3, 9441252), (4, 7080939), (6, 4720626), (9, 3147084), (12, 2360313), (18, 1573542), (19, 1490724), (27, 1049028), (36, 786771), (38, 745362), (43, 658692), (54, 524514), (57, 496908), (76, 372681), (81, 349676), (86, 329346), (107, 264708), (108, 262257), (114, 248454), (129, 219564), (162, 174838), (171, 165636), (172, 164673), (214, 132354), (228, 124227), (258, 109782), (321, 88236), (324, 87419), (342, 82818), (387, 73188), (428, 66177), (513, 55212), (516, 54891), (642, 44118), (684, 41409), (774, 36594), (817, 34668), (963, 29412), (1026, 27606), (1161, 24396), (1284, 22059), (1539, 18404), (1548, 18297), (1634, 17334), (1926, 14706), (2033, 13932), (2052, 13803), (2322, 12198), (2451, 11556), (2889, 9804), (3078, 9202), (3268, 8667), (3483, 8132), (3852, 7353), (4066, 6966), (4601, 6156), (4644, 6099), (4902, 5778)]