28840284

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1087}}^1$

素因数の和:1175

約数の個数: 72

約数和(自身を含む): 80790528

約数和(自身を除く): 51950244

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 67, 99, 132, 134, 198, 201, 268, 396, 402, 603, 737, 804, 1087, 1206, 1474, 2174, 2211, 2412, 2948, 3261, 4348, 4422, 6522, 6633, 8844, 9783, 11957, 13044, 13266, 19566, 23914, 26532, 35871, 39132, 47828, 71742, 72829, 107613, 143484, 145658, 215226, 218487, 291316, 430452, 436974, 655461, 801119, 873948, 1310922, 1602238, 2403357, 2621844, 3204476, 4806714, 7210071, 9613428, 14420142, 28840284]

約数ペア:

[(1, 28840284), (2, 14420142), (3, 9613428), (4, 7210071), (6, 4806714), (9, 3204476), (11, 2621844), (12, 2403357), (18, 1602238), (22, 1310922), (33, 873948), (36, 801119), (44, 655461), (66, 436974), (67, 430452), (99, 291316), (132, 218487), (134, 215226), (198, 145658), (201, 143484), (268, 107613), (396, 72829), (402, 71742), (603, 47828), (737, 39132), (804, 35871), (1087, 26532), (1206, 23914), (1474, 19566), (2174, 13266), (2211, 13044), (2412, 11957), (2948, 9783), (3261, 8844), (4348, 6633), (4422, 6522)]