196996975

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 292267008

約数和(自身を除く): 95270033

約数列:

[1, 5, 7, 25, 35, 43, 47, 175, 215, 235, 301, 329, 557, 1075, 1175, 1505, 1645, 2021, 2785, 3899, 7525, 8225, 10105, 13925, 14147, 19495, 23951, 26179, 50525, 70735, 97475, 119755, 130895, 167657, 183253, 353675, 598775, 654475, 838285, 916265, 1125697, 4191425, 4581325, 5628485, 7879879, 28142425, 39399395, 196996975]

約数ペア:

[(1, 196996975), (5, 39399395), (7, 28142425), (25, 7879879), (35, 5628485), (43, 4581325), (47, 4191425), (175, 1125697), (215, 916265), (235, 838285), (301, 654475), (329, 598775), (557, 353675), (1075, 183253), (1175, 167657), (1505, 130895), (1645, 119755), (2021, 97475), (2785, 70735), (3899, 50525), (7525, 26179), (8225, 23951), (10105, 19495), (13925, 14147)]