71517908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2609}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 157852800

約数和(自身を除く): 86334892

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 154, 178, 308, 356, 623, 979, 1246, 1958, 2492, 2609, 3916, 5218, 6853, 10436, 13706, 18263, 27412, 28699, 36526, 57398, 73052, 114796, 200893, 232201, 401786, 464402, 803572, 928804, 1625407, 2554211, 3250814, 5108422, 6501628, 10216844, 17879477, 35758954, 71517908]

約数ペア:

[(1, 71517908), (2, 35758954), (4, 17879477), (7, 10216844), (11, 6501628), (14, 5108422), (22, 3250814), (28, 2554211), (44, 1625407), (77, 928804), (89, 803572), (154, 464402), (178, 401786), (308, 232201), (356, 200893), (623, 114796), (979, 73052), (1246, 57398), (1958, 36526), (2492, 28699), (2609, 27412), (3916, 18263), (5218, 13706), (6853, 10436)]