13456790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 25353216

約数和(自身を除く): 11896426

約数列:

[1, 2, 5, 10, 31, 62, 83, 155, 166, 310, 415, 523, 830, 1046, 2573, 2615, 5146, 5230, 12865, 16213, 25730, 32426, 43409, 81065, 86818, 162130, 217045, 434090, 1345679, 2691358, 6728395, 13456790]

約数ペア:

[(1, 13456790), (2, 6728395), (5, 2691358), (10, 1345679), (31, 434090), (62, 217045), (83, 162130), (155, 86818), (166, 81065), (310, 43409), (415, 32426), (523, 25730), (830, 16213), (1046, 12865), (2573, 5230), (2615, 5146)]