28238730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1187}}^1$

素因数の和:1271

約数の個数: 64

約数和(自身を含む): 74245248

約数和(自身を除く): 46006518

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 366, 390, 610, 793, 915, 1187, 1586, 1830, 2374, 2379, 3561, 3965, 4758, 5935, 7122, 7930, 11870, 11895, 15431, 17805, 23790, 30862, 35610, 46293, 72407, 77155, 92586, 144814, 154310, 217221, 231465, 362035, 434442, 462930, 724070, 941291, 1086105, 1882582, 2172210, 2823873, 4706455, 5647746, 9412910, 14119365, 28238730]

約数ペア:

[(1, 28238730), (2, 14119365), (3, 9412910), (5, 5647746), (6, 4706455), (10, 2823873), (13, 2172210), (15, 1882582), (26, 1086105), (30, 941291), (39, 724070), (61, 462930), (65, 434442), (78, 362035), (122, 231465), (130, 217221), (183, 154310), (195, 144814), (305, 92586), (366, 77155), (390, 72407), (610, 46293), (793, 35610), (915, 30862), (1187, 23790), (1586, 17805), (1830, 15431), (2374, 11895), (2379, 11870), (3561, 7930), (3965, 7122), (4758, 5935)]