78438906

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{6841}}^1$

素因数の和:6876

約数の個数: 72

約数和(自身を含む): 212936724

約数和(自身を除く): 134497818

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 3822, 5733, 6841, 11466, 13682, 20523, 41046, 47887, 61569, 88933, 95774, 123138, 143661, 177866, 266799, 287322, 335209, 430983, 533598, 622531, 670418, 800397, 861966, 1005627, 1245062, 1600794, 1867593, 2011254, 3016881, 3735186, 4357717, 5602779, 6033762, 8715434, 11205558, 13073151, 26146302, 39219453, 78438906]

約数ペア:

[(1, 78438906), (2, 39219453), (3, 26146302), (6, 13073151), (7, 11205558), (9, 8715434), (13, 6033762), (14, 5602779), (18, 4357717), (21, 3735186), (26, 3016881), (39, 2011254), (42, 1867593), (49, 1600794), (63, 1245062), (78, 1005627), (91, 861966), (98, 800397), (117, 670418), (126, 622531), (147, 533598), (182, 430983), (234, 335209), (273, 287322), (294, 266799), (441, 177866), (546, 143661), (637, 123138), (819, 95774), (882, 88933), (1274, 61569), (1638, 47887), (1911, 41046), (3822, 20523), (5733, 13682), (6841, 11466)]