815556

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 2362080

約数和(自身を除く): 1546524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 73, 76, 84, 98, 114, 133, 146, 147, 196, 219, 228, 266, 292, 294, 399, 438, 511, 532, 588, 798, 876, 931, 1022, 1387, 1533, 1596, 1862, 2044, 2774, 2793, 3066, 3577, 3724, 4161, 5548, 5586, 6132, 7154, 8322, 9709, 10731, 11172, 14308, 16644, 19418, 21462, 29127, 38836, 42924, 58254, 67963, 116508, 135926, 203889, 271852, 407778, 815556]

約数ペア:

[(1, 815556), (2, 407778), (3, 271852), (4, 203889), (6, 135926), (7, 116508), (12, 67963), (14, 58254), (19, 42924), (21, 38836), (28, 29127), (38, 21462), (42, 19418), (49, 16644), (57, 14308), (73, 11172), (76, 10731), (84, 9709), (98, 8322), (114, 7154), (133, 6132), (146, 5586), (147, 5548), (196, 4161), (219, 3724), (228, 3577), (266, 3066), (292, 2793), (294, 2774), (399, 2044), (438, 1862), (511, 1596), (532, 1533), (588, 1387), (798, 1022), (876, 931)]