215871292

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{7507}}^1$

素因数の和:7610

約数の個数: 48

約数和(自身を含む): 470901760

約数和(自身を除く): 255030468

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 79, 91, 158, 182, 316, 364, 553, 1027, 1106, 2054, 2212, 4108, 7189, 7507, 14378, 15014, 28756, 30028, 52549, 97591, 105098, 195182, 210196, 390364, 593053, 683137, 1186106, 1366274, 2372212, 2732548, 4151371, 7709689, 8302742, 15419378, 16605484, 30838756, 53967823, 107935646, 215871292]

約数ペア:

[(1, 215871292), (2, 107935646), (4, 53967823), (7, 30838756), (13, 16605484), (14, 15419378), (26, 8302742), (28, 7709689), (52, 4151371), (79, 2732548), (91, 2372212), (158, 1366274), (182, 1186106), (316, 683137), (364, 593053), (553, 390364), (1027, 210196), (1106, 195182), (2054, 105098), (2212, 97591), (4108, 52549), (7189, 30028), (7507, 28756), (14378, 15014)]