85767890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^2$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 176935752

約数和(自身を除く): 91167862

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 197, 221, 394, 442, 985, 1105, 1970, 2210, 2561, 3349, 5122, 6698, 12805, 16745, 25610, 33490, 38809, 43537, 77618, 87074, 194045, 217685, 388090, 435370, 504517, 659753, 1009034, 1319506, 2522585, 3298765, 5045170, 6597530, 8576789, 17153578, 42883945, 85767890]

約数ペア:

[(1, 85767890), (2, 42883945), (5, 17153578), (10, 8576789), (13, 6597530), (17, 5045170), (26, 3298765), (34, 2522585), (65, 1319506), (85, 1009034), (130, 659753), (170, 504517), (197, 435370), (221, 388090), (394, 217685), (442, 194045), (985, 87074), (1105, 77618), (1970, 43537), (2210, 38809), (2561, 33490), (3349, 25610), (5122, 16745), (6698, 12805)]