77921350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{383}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 156989952

約数和(自身を除く): 79068602

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 313, 325, 383, 626, 650, 766, 1565, 1915, 3130, 3830, 4069, 4979, 7825, 8138, 9575, 9958, 15650, 19150, 20345, 24895, 40690, 49790, 101725, 119879, 124475, 203450, 239758, 248950, 599395, 1198790, 1558427, 2996975, 3116854, 5993950, 7792135, 15584270, 38960675, 77921350]

約数ペア:

[(1, 77921350), (2, 38960675), (5, 15584270), (10, 7792135), (13, 5993950), (25, 3116854), (26, 2996975), (50, 1558427), (65, 1198790), (130, 599395), (313, 248950), (325, 239758), (383, 203450), (626, 124475), (650, 119879), (766, 101725), (1565, 49790), (1915, 40690), (3130, 24895), (3830, 20345), (4069, 19150), (4979, 15650), (7825, 9958), (8138, 9575)]