1980545686

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{457}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 3644771328

約数和(自身を除く): 1664225642

約数列:

[1, 2, 7, 14, 23, 43, 46, 86, 161, 301, 313, 322, 457, 602, 626, 914, 989, 1978, 2191, 3199, 4382, 6398, 6923, 7199, 10511, 13459, 13846, 14398, 19651, 21022, 26918, 39302, 50393, 73577, 94213, 100786, 137557, 143041, 147154, 188426, 275114, 286082, 309557, 451973, 619114, 903946, 1001287, 2002574, 2166899, 3163811, 3289943, 4333798, 6150763, 6327622, 6579886, 12301526, 23029601, 43055341, 46059202, 86110682, 141467549, 282935098, 990272843, 1980545686]

約数ペア:

[(1, 1980545686), (2, 990272843), (7, 282935098), (14, 141467549), (23, 86110682), (43, 46059202), (46, 43055341), (86, 23029601), (161, 12301526), (301, 6579886), (313, 6327622), (322, 6150763), (457, 4333798), (602, 3289943), (626, 3163811), (914, 2166899), (989, 2002574), (1978, 1001287), (2191, 903946), (3199, 619114), (4382, 451973), (6398, 309557), (6923, 286082), (7199, 275114), (10511, 188426), (13459, 147154), (13846, 143041), (14398, 137557), (19651, 100786), (21022, 94213), (26918, 73577), (39302, 50393)]