7657390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 15653088

約数和(自身を除く): 7995698

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 169, 197, 230, 299, 338, 394, 598, 845, 985, 1495, 1690, 1970, 2561, 2990, 3887, 4531, 5122, 7774, 9062, 12805, 19435, 22655, 25610, 33293, 38870, 45310, 58903, 66586, 117806, 166465, 294515, 332930, 589030, 765739, 1531478, 3828695, 7657390]

約数ペア:

[(1, 7657390), (2, 3828695), (5, 1531478), (10, 765739), (13, 589030), (23, 332930), (26, 294515), (46, 166465), (65, 117806), (115, 66586), (130, 58903), (169, 45310), (197, 38870), (230, 33293), (299, 25610), (338, 22655), (394, 19435), (598, 12805), (845, 9062), (985, 7774), (1495, 5122), (1690, 4531), (1970, 3887), (2561, 2990)]