129640496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{1699}}^1$

素因数の和:1977

約数の個数: 40

約数和(自身を含む): 265608000

約数和(自身を除く): 135967504

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 251, 304, 502, 1004, 1699, 2008, 3398, 4016, 4769, 6796, 9538, 13592, 19076, 27184, 32281, 38152, 64562, 76304, 129124, 258248, 426449, 516496, 852898, 1705796, 3411592, 6823184, 8102531, 16205062, 32410124, 64820248, 129640496]

約数ペア:

[(1, 129640496), (2, 64820248), (4, 32410124), (8, 16205062), (16, 8102531), (19, 6823184), (38, 3411592), (76, 1705796), (152, 852898), (251, 516496), (304, 426449), (502, 258248), (1004, 129124), (1699, 76304), (2008, 64562), (3398, 38152), (4016, 32281), (4769, 27184), (6796, 19076), (9538, 13592)]