68217156

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{643}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 197847104

約数和(自身を除く): 129629948

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 421, 643, 842, 1263, 1286, 1684, 1929, 2526, 2572, 2947, 3789, 3858, 4501, 5052, 5787, 5894, 7578, 7716, 8841, 9002, 11574, 11788, 13503, 15156, 17682, 18004, 23148, 26523, 27006, 35364, 40509, 53046, 54012, 81018, 106092, 162036, 270703, 541406, 812109, 1082812, 1624218, 1894921, 2436327, 3248436, 3789842, 4872654, 5684763, 7579684, 9745308, 11369526, 17054289, 22739052, 34108578, 68217156]

約数ペア:

[(1, 68217156), (2, 34108578), (3, 22739052), (4, 17054289), (6, 11369526), (7, 9745308), (9, 7579684), (12, 5684763), (14, 4872654), (18, 3789842), (21, 3248436), (28, 2436327), (36, 1894921), (42, 1624218), (63, 1082812), (84, 812109), (126, 541406), (252, 270703), (421, 162036), (643, 106092), (842, 81018), (1263, 54012), (1286, 53046), (1684, 40509), (1929, 35364), (2526, 27006), (2572, 26523), (2947, 23148), (3789, 18004), (3858, 17682), (4501, 15156), (5052, 13503), (5787, 11788), (5894, 11574), (7578, 9002), (7716, 8841)]