278703324

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{1231}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 744423680

約数和(自身を除く): 465720356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 331, 342, 662, 684, 993, 1231, 1324, 1986, 2462, 2979, 3693, 3972, 4924, 5958, 6289, 7386, 11079, 11916, 12578, 14772, 18867, 22158, 23389, 25156, 37734, 44316, 46778, 56601, 70167, 75468, 93556, 113202, 140334, 210501, 226404, 280668, 407461, 421002, 814922, 842004, 1222383, 1629844, 2444766, 3667149, 4889532, 7334298, 7741759, 14668596, 15483518, 23225277, 30967036, 46450554, 69675831, 92901108, 139351662, 278703324]

約数ペア:

[(1, 278703324), (2, 139351662), (3, 92901108), (4, 69675831), (6, 46450554), (9, 30967036), (12, 23225277), (18, 15483518), (19, 14668596), (36, 7741759), (38, 7334298), (57, 4889532), (76, 3667149), (114, 2444766), (171, 1629844), (228, 1222383), (331, 842004), (342, 814922), (662, 421002), (684, 407461), (993, 280668), (1231, 226404), (1324, 210501), (1986, 140334), (2462, 113202), (2979, 93556), (3693, 75468), (3972, 70167), (4924, 56601), (5958, 46778), (6289, 44316), (7386, 37734), (11079, 25156), (11916, 23389), (12578, 22158), (14772, 18867)]