218580752

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 476636160

約数和(自身を除く): 258055408

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 109, 124, 208, 218, 248, 311, 403, 436, 496, 622, 806, 872, 1244, 1417, 1612, 1744, 2488, 2834, 3224, 3379, 4043, 4976, 5668, 6448, 6758, 8086, 9641, 11336, 13516, 16172, 19282, 22672, 27032, 32344, 33899, 38564, 43927, 54064, 64688, 67798, 77128, 87854, 125333, 135596, 154256, 175708, 250666, 271192, 351416, 440687, 501332, 542384, 702832, 881374, 1002664, 1050869, 1762748, 2005328, 2101738, 3525496, 4203476, 7050992, 8406952, 13661297, 16813904, 27322594, 54645188, 109290376, 218580752]

約数ペア:

[(1, 218580752), (2, 109290376), (4, 54645188), (8, 27322594), (13, 16813904), (16, 13661297), (26, 8406952), (31, 7050992), (52, 4203476), (62, 3525496), (104, 2101738), (109, 2005328), (124, 1762748), (208, 1050869), (218, 1002664), (248, 881374), (311, 702832), (403, 542384), (436, 501332), (496, 440687), (622, 351416), (806, 271192), (872, 250666), (1244, 175708), (1417, 154256), (1612, 135596), (1744, 125333), (2488, 87854), (2834, 77128), (3224, 67798), (3379, 64688), (4043, 54064), (4976, 43927), (5668, 38564), (6448, 33899), (6758, 32344), (8086, 27032), (9641, 22672), (11336, 19282), (13516, 16172)]