1984896004

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{751}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 4393460736

約数和(自身を除く): 2408564732

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 137, 182, 212, 274, 364, 371, 548, 689, 742, 751, 959, 1378, 1484, 1502, 1781, 1918, 2756, 3004, 3562, 3836, 4823, 5257, 7124, 7261, 9646, 9763, 10514, 12467, 14522, 19292, 19526, 21028, 24934, 29044, 39052, 39803, 49868, 50827, 68341, 79606, 94393, 101654, 102887, 136682, 159212, 188786, 203308, 205774, 273364, 278621, 377572, 411548, 517439, 557242, 660751, 720209, 1034878, 1114484, 1321502, 1337531, 1440418, 2069756, 2643004, 2675062, 2880836, 3622073, 5350124, 5453011, 7244146, 9362717, 10906022, 14488292, 18725434, 21812044, 37450868, 38171077, 70889143, 76342154, 141778286, 152684308, 283556572, 496224001, 992448002, 1984896004]

約数ペア:

[(1, 1984896004), (2, 992448002), (4, 496224001), (7, 283556572), (13, 152684308), (14, 141778286), (26, 76342154), (28, 70889143), (52, 38171077), (53, 37450868), (91, 21812044), (106, 18725434), (137, 14488292), (182, 10906022), (212, 9362717), (274, 7244146), (364, 5453011), (371, 5350124), (548, 3622073), (689, 2880836), (742, 2675062), (751, 2643004), (959, 2069756), (1378, 1440418), (1484, 1337531), (1502, 1321502), (1781, 1114484), (1918, 1034878), (2756, 720209), (3004, 660751), (3562, 557242), (3836, 517439), (4823, 411548), (5257, 377572), (7124, 278621), (7261, 273364), (9646, 205774), (9763, 203308), (10514, 188786), (12467, 159212), (14522, 136682), (19292, 102887), (19526, 101654), (21028, 94393), (24934, 79606), (29044, 68341), (39052, 50827), (39803, 49868)]