1997175222

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{331}}^1\times {\mathrm{6841}}^1$

素因数の和:7194

約数の個数: 72

約数和(自身を含む): 5049642312

約数和(自身を除く): 3052467090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 331, 441, 662, 882, 993, 1986, 2317, 2979, 4634, 5958, 6841, 6951, 13682, 13902, 16219, 20523, 20853, 32438, 41046, 41706, 47887, 48657, 61569, 95774, 97314, 123138, 143661, 145971, 287322, 291942, 335209, 430983, 670418, 861966, 1005627, 2011254, 2264371, 3016881, 4528742, 6033762, 6793113, 13586226, 15850597, 20379339, 31701194, 40758678, 47551791, 95103582, 110954179, 142655373, 221908358, 285310746, 332862537, 665725074, 998587611, 1997175222]

約数ペア:

[(1, 1997175222), (2, 998587611), (3, 665725074), (6, 332862537), (7, 285310746), (9, 221908358), (14, 142655373), (18, 110954179), (21, 95103582), (42, 47551791), (49, 40758678), (63, 31701194), (98, 20379339), (126, 15850597), (147, 13586226), (294, 6793113), (331, 6033762), (441, 4528742), (662, 3016881), (882, 2264371), (993, 2011254), (1986, 1005627), (2317, 861966), (2979, 670418), (4634, 430983), (5958, 335209), (6841, 291942), (6951, 287322), (13682, 145971), (13902, 143661), (16219, 123138), (20523, 97314), (20853, 95774), (32438, 61569), (41046, 48657), (41706, 47887)]