71991108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9851}}^1$

素因数の和:9897

約数の個数: 72

約数和(自身を含む): 215167680

約数和(自身を除く): 143176572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 3654, 7308, 9851, 19702, 29553, 39404, 59106, 68957, 88659, 118212, 137914, 177318, 206871, 275828, 285679, 354636, 413742, 571358, 620613, 827484, 857037, 1142716, 1241226, 1714074, 1999753, 2482452, 2571111, 3428148, 3999506, 5142222, 5999259, 7999012, 10284444, 11998518, 17997777, 23997036, 35995554, 71991108]

約数ペア:

[(1, 71991108), (2, 35995554), (3, 23997036), (4, 17997777), (6, 11998518), (7, 10284444), (9, 7999012), (12, 5999259), (14, 5142222), (18, 3999506), (21, 3428148), (28, 2571111), (29, 2482452), (36, 1999753), (42, 1714074), (58, 1241226), (63, 1142716), (84, 857037), (87, 827484), (116, 620613), (126, 571358), (174, 413742), (203, 354636), (252, 285679), (261, 275828), (348, 206871), (406, 177318), (522, 137914), (609, 118212), (812, 88659), (1044, 68957), (1218, 59106), (1827, 39404), (2436, 29553), (3654, 19702), (7308, 9851)]