221983164

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1433}}^1$

素因数の和:1787

約数の個数: 72

約数和(自身を含む): 606536112

約数和(自身を除く): 384552948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 331, 468, 662, 993, 1324, 1433, 1986, 2866, 2979, 3972, 4299, 4303, 5732, 5958, 8598, 8606, 11916, 12897, 12909, 17196, 17212, 18629, 25794, 25818, 37258, 38727, 51588, 51636, 55887, 74516, 77454, 111774, 154908, 167661, 223548, 335322, 474323, 670644, 948646, 1422969, 1897292, 2845938, 4268907, 5691876, 6166199, 8537814, 12332398, 17075628, 18498597, 24664796, 36997194, 55495791, 73994388, 110991582, 221983164]

約数ペア:

[(1, 221983164), (2, 110991582), (3, 73994388), (4, 55495791), (6, 36997194), (9, 24664796), (12, 18498597), (13, 17075628), (18, 12332398), (26, 8537814), (36, 6166199), (39, 5691876), (52, 4268907), (78, 2845938), (117, 1897292), (156, 1422969), (234, 948646), (331, 670644), (468, 474323), (662, 335322), (993, 223548), (1324, 167661), (1433, 154908), (1986, 111774), (2866, 77454), (2979, 74516), (3972, 55887), (4299, 51636), (4303, 51588), (5732, 38727), (5958, 37258), (8598, 25818), (8606, 25794), (11916, 18629), (12897, 17212), (12909, 17196)]