218220548

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:409

約数の個数: 96

約数和(自身を含む): 500505600

約数和(自身を除く): 282285052

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 139, 182, 227, 247, 266, 278, 364, 454, 494, 532, 556, 908, 973, 988, 1589, 1729, 1807, 1946, 2641, 2951, 3178, 3458, 3614, 3892, 4313, 5282, 5902, 6356, 6916, 7228, 8626, 10564, 11804, 12649, 17252, 18487, 20657, 25298, 30191, 31553, 34333, 36974, 41314, 50596, 56069, 60382, 63106, 68666, 73948, 82628, 112138, 120764, 126212, 137332, 220871, 224276, 240331, 392483, 410189, 441742, 480662, 599507, 784966, 820378, 883484, 961324, 1199014, 1569932, 1640756, 2398028, 2871323, 4196549, 5742646, 7793591, 8393098, 11485292, 15587182, 16786196, 31174364, 54555137, 109110274, 218220548]

約数ペア:

[(1, 218220548), (2, 109110274), (4, 54555137), (7, 31174364), (13, 16786196), (14, 15587182), (19, 11485292), (26, 8393098), (28, 7793591), (38, 5742646), (52, 4196549), (76, 2871323), (91, 2398028), (133, 1640756), (139, 1569932), (182, 1199014), (227, 961324), (247, 883484), (266, 820378), (278, 784966), (364, 599507), (454, 480662), (494, 441742), (532, 410189), (556, 392483), (908, 240331), (973, 224276), (988, 220871), (1589, 137332), (1729, 126212), (1807, 120764), (1946, 112138), (2641, 82628), (2951, 73948), (3178, 68666), (3458, 63106), (3614, 60382), (3892, 56069), (4313, 50596), (5282, 41314), (5902, 36974), (6356, 34333), (6916, 31553), (7228, 30191), (8626, 25298), (10564, 20657), (11804, 18487), (12649, 17252)]