77781790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3023}}^1$

素因数の和:3144

約数の個数: 32

約数和(自身を含む): 146313216

約数和(自身を除く): 68531426

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 830, 2573, 3023, 5146, 6046, 12865, 15115, 25730, 30230, 93713, 187426, 250909, 468565, 501818, 937130, 1254545, 2509090, 7778179, 15556358, 38890895, 77781790]

約数ペア:

[(1, 77781790), (2, 38890895), (5, 15556358), (10, 7778179), (31, 2509090), (62, 1254545), (83, 937130), (155, 501818), (166, 468565), (310, 250909), (415, 187426), (830, 93713), (2573, 30230), (3023, 25730), (5146, 15115), (6046, 12865)]