28203448

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2039}}^1$

素因数の和:2084

約数の個数: 64

約数和(自身を含む): 68544000

約数和(自身を除く): 40340552

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 2039, 3458, 4078, 6916, 8156, 13832, 14273, 16312, 26507, 28546, 38741, 53014, 57092, 77482, 106028, 114184, 154964, 185549, 212056, 271187, 309928, 371098, 503633, 542374, 742196, 1007266, 1084748, 1484392, 2014532, 2169496, 3525431, 4029064, 7050862, 14101724, 28203448]

約数ペア:

[(1, 28203448), (2, 14101724), (4, 7050862), (7, 4029064), (8, 3525431), (13, 2169496), (14, 2014532), (19, 1484392), (26, 1084748), (28, 1007266), (38, 742196), (52, 542374), (56, 503633), (76, 371098), (91, 309928), (104, 271187), (133, 212056), (152, 185549), (182, 154964), (247, 114184), (266, 106028), (364, 77482), (494, 57092), (532, 53014), (728, 38741), (988, 28546), (1064, 26507), (1729, 16312), (1976, 14273), (2039, 13832), (3458, 8156), (4078, 6916)]