821489004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{11519}}^1$

素因数の和:11819

約数の個数: 72

約数和(自身を含む): 2381783040

約数和(自身を除く): 1560294036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 283, 566, 849, 1132, 1698, 1981, 2547, 3396, 3962, 5094, 5943, 7924, 10188, 11519, 11886, 17829, 23038, 23772, 34557, 35658, 46076, 69114, 71316, 80633, 103671, 138228, 161266, 207342, 241899, 322532, 414684, 483798, 725697, 967596, 1451394, 2902788, 3259877, 6519754, 9779631, 13039508, 19559262, 22819139, 29338893, 39118524, 45638278, 58677786, 68457417, 91276556, 117355572, 136914834, 205372251, 273829668, 410744502, 821489004]

約数ペア:

[(1, 821489004), (2, 410744502), (3, 273829668), (4, 205372251), (6, 136914834), (7, 117355572), (9, 91276556), (12, 68457417), (14, 58677786), (18, 45638278), (21, 39118524), (28, 29338893), (36, 22819139), (42, 19559262), (63, 13039508), (84, 9779631), (126, 6519754), (252, 3259877), (283, 2902788), (566, 1451394), (849, 967596), (1132, 725697), (1698, 483798), (1981, 414684), (2547, 322532), (3396, 241899), (3962, 207342), (5094, 161266), (5943, 138228), (7924, 103671), (10188, 80633), (11519, 71316), (11886, 69114), (17829, 46076), (23038, 35658), (23772, 34557)]