208775164

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 431092368

約数和(自身を除く): 222317204

約数列:

[1, 2, 4, 13, 17, 26, 34, 37, 52, 68, 74, 148, 169, 221, 338, 442, 481, 491, 629, 676, 884, 962, 982, 1258, 1924, 1964, 2516, 2873, 5746, 6253, 6383, 8177, 8347, 11492, 12506, 12766, 16354, 16694, 18167, 25012, 25532, 32708, 33388, 36334, 72668, 82979, 106301, 108511, 165958, 212602, 217022, 236171, 308839, 331916, 425204, 434044, 472342, 617678, 944684, 1235356, 1410643, 2821286, 3070223, 4014907, 5642572, 6140446, 8029814, 12280892, 16059628, 52193791, 104387582, 208775164]

約数ペア:

[(1, 208775164), (2, 104387582), (4, 52193791), (13, 16059628), (17, 12280892), (26, 8029814), (34, 6140446), (37, 5642572), (52, 4014907), (68, 3070223), (74, 2821286), (148, 1410643), (169, 1235356), (221, 944684), (338, 617678), (442, 472342), (481, 434044), (491, 425204), (629, 331916), (676, 308839), (884, 236171), (962, 217022), (982, 212602), (1258, 165958), (1924, 108511), (1964, 106301), (2516, 82979), (2873, 72668), (5746, 36334), (6253, 33388), (6383, 32708), (8177, 25532), (8347, 25012), (11492, 18167), (12506, 16694), (12766, 16354)]