81251838

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{757}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 180919440

約数和(自身を除く): 99667602

約数列:

[1, 2, 3, 6, 9, 18, 67, 89, 134, 178, 201, 267, 402, 534, 603, 757, 801, 1206, 1514, 1602, 2271, 4542, 5963, 6813, 11926, 13626, 17889, 35778, 50719, 53667, 67373, 101438, 107334, 134746, 152157, 202119, 304314, 404238, 456471, 606357, 912942, 1212714, 4513991, 9027982, 13541973, 27083946, 40625919, 81251838]

約数ペア:

[(1, 81251838), (2, 40625919), (3, 27083946), (6, 13541973), (9, 9027982), (18, 4513991), (67, 1212714), (89, 912942), (134, 606357), (178, 456471), (201, 404238), (267, 304314), (402, 202119), (534, 152157), (603, 134746), (757, 107334), (801, 101438), (1206, 67373), (1514, 53667), (1602, 50719), (2271, 35778), (4542, 17889), (5963, 13626), (6813, 11926)]