378804965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1867}}^1$

素因数の和:1938

約数の個数: 64

約数和(自身を含む): 619757568

約数和(自身を除く): 240952603

約数列:

[1, 5, 7, 11, 17, 31, 35, 55, 77, 85, 119, 155, 187, 217, 341, 385, 527, 595, 935, 1085, 1309, 1705, 1867, 2387, 2635, 3689, 5797, 6545, 9335, 11935, 13069, 18445, 20537, 28985, 31739, 40579, 57877, 65345, 102685, 143759, 158695, 202895, 222173, 289385, 349129, 405139, 636647, 718795, 983909, 1110865, 1745645, 2025695, 2443903, 3183235, 4456529, 4919545, 6887363, 10822999, 12219515, 22282645, 34436815, 54114995, 75760993, 378804965]

約数ペア:

[(1, 378804965), (5, 75760993), (7, 54114995), (11, 34436815), (17, 22282645), (31, 12219515), (35, 10822999), (55, 6887363), (77, 4919545), (85, 4456529), (119, 3183235), (155, 2443903), (187, 2025695), (217, 1745645), (341, 1110865), (385, 983909), (527, 718795), (595, 636647), (935, 405139), (1085, 349129), (1309, 289385), (1705, 222173), (1867, 202895), (2387, 158695), (2635, 143759), (3689, 102685), (5797, 65345), (6545, 57877), (9335, 40579), (11935, 31739), (13069, 28985), (18445, 20537)]