77706590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{13901}}^1$

素因数の和:13964

約数の個数: 32

約数和(自身を含む): 154145376

約数和(自身を除く): 76438786

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 13901, 27802, 69505, 139010, 180713, 361426, 597743, 903565, 1195486, 1807130, 2988715, 5977430, 7770659, 15541318, 38853295, 77706590]

約数ペア:

[(1, 77706590), (2, 38853295), (5, 15541318), (10, 7770659), (13, 5977430), (26, 2988715), (43, 1807130), (65, 1195486), (86, 903565), (130, 597743), (215, 361426), (430, 180713), (559, 139010), (1118, 69505), (2795, 27802), (5590, 13901)]