81973672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:398

約数の個数: 64

約数和(自身を含む): 175104000

約数和(自身を除く): 93130328

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 124, 151, 199, 248, 302, 341, 398, 604, 682, 796, 1208, 1364, 1592, 1661, 2189, 2728, 3322, 4378, 4681, 6169, 6644, 8756, 9362, 12338, 13288, 17512, 18724, 24676, 30049, 37448, 49352, 51491, 60098, 67859, 102982, 120196, 135718, 205964, 240392, 271436, 330539, 411928, 542872, 661078, 931519, 1322156, 1863038, 2644312, 3726076, 7452152, 10246709, 20493418, 40986836, 81973672]

約数ペア:

[(1, 81973672), (2, 40986836), (4, 20493418), (8, 10246709), (11, 7452152), (22, 3726076), (31, 2644312), (44, 1863038), (62, 1322156), (88, 931519), (124, 661078), (151, 542872), (199, 411928), (248, 330539), (302, 271436), (341, 240392), (398, 205964), (604, 135718), (682, 120196), (796, 102982), (1208, 67859), (1364, 60098), (1592, 51491), (1661, 49352), (2189, 37448), (2728, 30049), (3322, 24676), (4378, 18724), (4681, 17512), (6169, 13288), (6644, 12338), (8756, 9362)]