157218805

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 206569440

約数和(自身を除く): 49350635

約数列:

[1, 5, 17, 41, 85, 197, 205, 229, 697, 985, 1145, 3349, 3485, 3893, 8077, 9389, 16745, 19465, 40385, 45113, 46945, 137309, 159613, 225565, 686545, 766921, 798065, 1849633, 3834605, 9248165, 31443761, 157218805]

約数ペア:

[(1, 157218805), (5, 31443761), (17, 9248165), (41, 3834605), (85, 1849633), (197, 798065), (205, 766921), (229, 686545), (697, 225565), (985, 159613), (1145, 137309), (3349, 46945), (3485, 45113), (3893, 40385), (8077, 19465), (9389, 16745)]