68137904

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{631}}^1$

素因数の和:1053

約数の個数: 40

約数和(自身を含む): 140357088

約数和(自身を除く): 72219184

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 397, 631, 794, 1262, 1588, 2524, 3176, 5048, 6352, 6749, 10096, 10727, 13498, 21454, 26996, 42908, 53992, 85816, 107984, 171632, 250507, 501014, 1002028, 2004056, 4008112, 4258619, 8517238, 17034476, 34068952, 68137904]

約数ペア:

[(1, 68137904), (2, 34068952), (4, 17034476), (8, 8517238), (16, 4258619), (17, 4008112), (34, 2004056), (68, 1002028), (136, 501014), (272, 250507), (397, 171632), (631, 107984), (794, 85816), (1262, 53992), (1588, 42908), (2524, 26996), (3176, 21454), (5048, 13498), (6352, 10727), (6749, 10096)]