31400226

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1109}}^1$

素因数の和:1152

約数の個数: 72

約数和(自身を含む): 80605980

約数和(自身を除く): 49205754

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 121, 143, 198, 234, 242, 286, 363, 429, 726, 858, 1089, 1109, 1287, 1573, 2178, 2218, 2574, 3146, 3327, 4719, 6654, 9438, 9981, 12199, 14157, 14417, 19962, 24398, 28314, 28834, 36597, 43251, 73194, 86502, 109791, 129753, 134189, 158587, 219582, 259506, 268378, 317174, 402567, 475761, 805134, 951522, 1207701, 1427283, 1744457, 2415402, 2854566, 3488914, 5233371, 10466742, 15700113, 31400226]

約数ペア:

[(1, 31400226), (2, 15700113), (3, 10466742), (6, 5233371), (9, 3488914), (11, 2854566), (13, 2415402), (18, 1744457), (22, 1427283), (26, 1207701), (33, 951522), (39, 805134), (66, 475761), (78, 402567), (99, 317174), (117, 268378), (121, 259506), (143, 219582), (198, 158587), (234, 134189), (242, 129753), (286, 109791), (363, 86502), (429, 73194), (726, 43251), (858, 36597), (1089, 28834), (1109, 28314), (1287, 24398), (1573, 19962), (2178, 14417), (2218, 14157), (2574, 12199), (3146, 9981), (3327, 9438), (4719, 6654)]