28710396

素因数分解:

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

素因数の和:74

約数の個数: 144

約数和(自身を含む): 88631200

約数和(自身を除く): 59920804

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 52, 54, 66, 78, 99, 108, 117, 121, 132, 143, 156, 169, 198, 234, 242, 286, 297, 338, 351, 363, 396, 429, 468, 484, 507, 572, 594, 676, 702, 726, 858, 1014, 1089, 1188, 1287, 1404, 1452, 1521, 1573, 1716, 1859, 2028, 2178, 2197, 2574, 3042, 3146, 3267, 3718, 3861, 4356, 4394, 4563, 4719, 5148, 5577, 6084, 6292, 6534, 6591, 7436, 7722, 8788, 9126, 9438, 11154, 13068, 13182, 14157, 15444, 16731, 18252, 18876, 19773, 20449, 22308, 24167, 26364, 28314, 33462, 39546, 40898, 42471, 48334, 50193, 56628, 59319, 61347, 66924, 72501, 79092, 81796, 84942, 96668, 100386, 118638, 122694, 145002, 169884, 184041, 200772, 217503, 237276, 245388, 265837, 290004, 368082, 435006, 531674, 552123, 652509, 736164, 797511, 870012, 1063348, 1104246, 1305018, 1595022, 2208492, 2392533, 2610036, 3190044, 4785066, 7177599, 9570132, 14355198, 28710396]

約数ペア:

[(1, 28710396), (2, 14355198), (3, 9570132), (4, 7177599), (6, 4785066), (9, 3190044), (11, 2610036), (12, 2392533), (13, 2208492), (18, 1595022), (22, 1305018), (26, 1104246), (27, 1063348), (33, 870012), (36, 797511), (39, 736164), (44, 652509), (52, 552123), (54, 531674), (66, 435006), (78, 368082), (99, 290004), (108, 265837), (117, 245388), (121, 237276), (132, 217503), (143, 200772), (156, 184041), (169, 169884), (198, 145002), (234, 122694), (242, 118638), (286, 100386), (297, 96668), (338, 84942), (351, 81796), (363, 79092), (396, 72501), (429, 66924), (468, 61347), (484, 59319), (507, 56628), (572, 50193), (594, 48334), (676, 42471), (702, 40898), (726, 39546), (858, 33462), (1014, 28314), (1089, 26364), (1188, 24167), (1287, 22308), (1404, 20449), (1452, 19773), (1521, 18876), (1573, 18252), (1716, 16731), (1859, 15444), (2028, 14157), (2178, 13182), (2197, 13068), (2574, 11154), (3042, 9438), (3146, 9126), (3267, 8788), (3718, 7722), (3861, 7436), (4356, 6591), (4394, 6534), (4563, 6292), (4719, 6084), (5148, 5577)]