72319975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{383}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 111992832

約数和(自身を除く): 39672857

約数列:

[1, 5, 7, 13, 25, 35, 65, 83, 91, 175, 325, 383, 415, 455, 581, 1079, 1915, 2075, 2275, 2681, 2905, 4979, 5395, 7553, 9575, 13405, 14525, 24895, 26975, 31789, 34853, 37765, 67025, 124475, 158945, 174265, 188825, 222523, 413257, 794725, 871325, 1112615, 2066285, 2892799, 5563075, 10331425, 14463995, 72319975]

約数ペア:

[(1, 72319975), (5, 14463995), (7, 10331425), (13, 5563075), (25, 2892799), (35, 2066285), (65, 1112615), (83, 871325), (91, 794725), (175, 413257), (325, 222523), (383, 188825), (415, 174265), (455, 158945), (581, 124475), (1079, 67025), (1915, 37765), (2075, 34853), (2275, 31789), (2681, 26975), (2905, 24895), (4979, 14525), (5395, 13405), (7553, 9575)]