87768905

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1973}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 127346688

約数和(自身を除く): 39577783

約数列:

[1, 5, 7, 31, 35, 41, 155, 205, 217, 287, 1085, 1271, 1435, 1973, 6355, 8897, 9865, 13811, 44485, 61163, 69055, 80893, 305815, 404465, 428141, 566251, 2140705, 2507683, 2831255, 12538415, 17553781, 87768905]

約数ペア:

[(1, 87768905), (5, 17553781), (7, 12538415), (31, 2831255), (35, 2507683), (41, 2140705), (155, 566251), (205, 428141), (217, 404465), (287, 305815), (1085, 80893), (1271, 69055), (1435, 61163), (1973, 44485), (6355, 13811), (8897, 9865)]