20161203265

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{4663}}^1$

素因数の和:4870

約数の個数: 64

約数和(自身を含む): 29787512832

約数和(自身を除く): 9626309567

約数列:

[1, 5, 7, 23, 35, 41, 115, 131, 161, 205, 287, 655, 805, 917, 943, 1435, 3013, 4585, 4663, 4715, 5371, 6601, 15065, 21091, 23315, 26855, 32641, 33005, 37597, 105455, 107249, 123533, 163205, 187985, 191183, 536245, 610853, 617665, 750743, 864731, 955915, 1338281, 3054265, 3753715, 4275971, 4323655, 4397209, 6691405, 14049619, 21379855, 21986045, 25044973, 30780463, 70248095, 98347333, 125224865, 153902315, 175314811, 491736665, 576034379, 876574055, 2880171895, 4032240653, 20161203265]

約数ペア:

[(1, 20161203265), (5, 4032240653), (7, 2880171895), (23, 876574055), (35, 576034379), (41, 491736665), (115, 175314811), (131, 153902315), (161, 125224865), (205, 98347333), (287, 70248095), (655, 30780463), (805, 25044973), (917, 21986045), (943, 21379855), (1435, 14049619), (3013, 6691405), (4585, 4397209), (4663, 4323655), (4715, 4275971), (5371, 3753715), (6601, 3054265), (15065, 1338281), (21091, 955915), (23315, 864731), (26855, 750743), (32641, 617665), (33005, 610853), (37597, 536245), (105455, 191183), (107249, 187985), (123533, 163205)]