278682196

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2221}}^1$

素因数の和:2384

約数の個数: 48

約数和(自身を含む): 557455360

約数和(自身を除く): 278773164

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 127, 247, 254, 494, 508, 988, 1651, 2221, 2413, 3302, 4442, 4826, 6604, 8884, 9652, 28873, 31369, 42199, 57746, 62738, 84398, 115492, 125476, 168796, 282067, 548587, 564134, 1097174, 1128268, 2194348, 3666871, 5359273, 7333742, 10718546, 14667484, 21437092, 69670549, 139341098, 278682196]

約数ペア:

[(1, 278682196), (2, 139341098), (4, 69670549), (13, 21437092), (19, 14667484), (26, 10718546), (38, 7333742), (52, 5359273), (76, 3666871), (127, 2194348), (247, 1128268), (254, 1097174), (494, 564134), (508, 548587), (988, 282067), (1651, 168796), (2221, 125476), (2413, 115492), (3302, 84398), (4442, 62738), (4826, 57746), (6604, 42199), (8884, 31369), (9652, 28873)]