72891430

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1800

約数の個数: 32

約数和(自身を含む): 135372384

約数和(自身を除く): 62480954

約数列:

[1, 2, 5, 10, 53, 83, 106, 166, 265, 415, 530, 830, 1657, 3314, 4399, 8285, 8798, 16570, 21995, 43990, 87821, 137531, 175642, 275062, 439105, 687655, 878210, 1375310, 7289143, 14578286, 36445715, 72891430]

約数ペア:

[(1, 72891430), (2, 36445715), (5, 14578286), (10, 7289143), (53, 1375310), (83, 878210), (106, 687655), (166, 439105), (265, 275062), (415, 175642), (530, 137531), (830, 87821), (1657, 43990), (3314, 21995), (4399, 16570), (8285, 8798)]