78131365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{229}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 105487200

約数和(自身を除く): 27355835

約数列:

[1, 5, 13, 29, 65, 145, 181, 229, 377, 905, 1145, 1885, 2353, 2977, 5249, 6641, 11765, 14885, 26245, 33205, 41449, 68237, 86333, 207245, 341185, 431665, 538837, 1202021, 2694185, 6010105, 15626273, 78131365]

約数ペア:

[(1, 78131365), (5, 15626273), (13, 6010105), (29, 2694185), (65, 1202021), (145, 538837), (181, 431665), (229, 341185), (377, 207245), (905, 86333), (1145, 68237), (1885, 41449), (2353, 33205), (2977, 26245), (5249, 14885), (6641, 11765)]