638545128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1\times {\mathrm{3547}}^1$

素因数の和:4146

約数の個数: 64

約数和(自身を含む): 1722624960

約数和(自身を除く): 1084079832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 577, 1154, 1731, 2308, 3462, 3547, 4616, 6924, 7094, 7501, 10641, 13848, 14188, 15002, 21282, 22503, 28376, 30004, 42564, 45006, 46111, 60008, 85128, 90012, 92222, 138333, 180024, 184444, 276666, 368888, 553332, 1106664, 2046619, 4093238, 6139857, 8186476, 12279714, 16372952, 24559428, 26606047, 49118856, 53212094, 79818141, 106424188, 159636282, 212848376, 319272564, 638545128]

約数ペア:

[(1, 638545128), (2, 319272564), (3, 212848376), (4, 159636282), (6, 106424188), (8, 79818141), (12, 53212094), (13, 49118856), (24, 26606047), (26, 24559428), (39, 16372952), (52, 12279714), (78, 8186476), (104, 6139857), (156, 4093238), (312, 2046619), (577, 1106664), (1154, 553332), (1731, 368888), (2308, 276666), (3462, 184444), (3547, 180024), (4616, 138333), (6924, 92222), (7094, 90012), (7501, 85128), (10641, 60008), (13848, 46111), (14188, 45006), (15002, 42564), (21282, 30004), (22503, 28376)]