71879390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 147806208

約数和(自身を除く): 75926818

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 107, 110, 155, 197, 214, 310, 341, 394, 535, 682, 985, 1070, 1177, 1705, 1970, 2167, 2354, 3317, 3410, 4334, 5885, 6107, 6634, 10835, 11770, 12214, 16585, 21079, 21670, 30535, 33170, 36487, 42158, 61070, 67177, 72974, 105395, 134354, 182435, 210790, 231869, 335885, 364870, 463738, 653449, 671770, 1159345, 1306898, 2318690, 3267245, 6534490, 7187939, 14375878, 35939695, 71879390]

約数ペア:

[(1, 71879390), (2, 35939695), (5, 14375878), (10, 7187939), (11, 6534490), (22, 3267245), (31, 2318690), (55, 1306898), (62, 1159345), (107, 671770), (110, 653449), (155, 463738), (197, 364870), (214, 335885), (310, 231869), (341, 210790), (394, 182435), (535, 134354), (682, 105395), (985, 72974), (1070, 67177), (1177, 61070), (1705, 42158), (1970, 36487), (2167, 33170), (2354, 30535), (3317, 21670), (3410, 21079), (4334, 16585), (5885, 12214), (6107, 11770), (6634, 10835)]