28605318

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{653}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 67100400

約数和(自身を除く): 38495082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 149, 294, 298, 447, 653, 894, 1043, 1306, 1959, 2086, 3129, 3918, 4571, 6258, 7301, 9142, 13713, 14602, 21903, 27426, 31997, 43806, 63994, 95991, 97297, 191982, 194594, 291891, 583782, 681079, 1362158, 2043237, 4086474, 4767553, 9535106, 14302659, 28605318]

約数ペア:

[(1, 28605318), (2, 14302659), (3, 9535106), (6, 4767553), (7, 4086474), (14, 2043237), (21, 1362158), (42, 681079), (49, 583782), (98, 291891), (147, 194594), (149, 191982), (294, 97297), (298, 95991), (447, 63994), (653, 43806), (894, 31997), (1043, 27426), (1306, 21903), (1959, 14602), (2086, 13713), (3129, 9142), (3918, 7301), (4571, 6258)]