28545296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 64995840

約数和(自身を除く): 36450544

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 31, 38, 52, 62, 76, 104, 124, 152, 208, 233, 247, 248, 304, 403, 466, 494, 496, 589, 806, 932, 988, 1178, 1612, 1864, 1976, 2356, 3029, 3224, 3728, 3952, 4427, 4712, 6058, 6448, 7223, 7657, 8854, 9424, 12116, 14446, 15314, 17708, 24232, 28892, 30628, 35416, 48464, 57551, 57784, 61256, 70832, 93899, 115102, 115568, 122512, 137237, 187798, 230204, 274474, 375596, 460408, 548948, 751192, 920816, 1097896, 1502384, 1784081, 2195792, 3568162, 7136324, 14272648, 28545296]

約数ペア:

[(1, 28545296), (2, 14272648), (4, 7136324), (8, 3568162), (13, 2195792), (16, 1784081), (19, 1502384), (26, 1097896), (31, 920816), (38, 751192), (52, 548948), (62, 460408), (76, 375596), (104, 274474), (124, 230204), (152, 187798), (208, 137237), (233, 122512), (247, 115568), (248, 115102), (304, 93899), (403, 70832), (466, 61256), (494, 57784), (496, 57551), (589, 48464), (806, 35416), (932, 30628), (988, 28892), (1178, 24232), (1612, 17708), (1864, 15314), (1976, 14446), (2356, 12116), (3029, 9424), (3224, 8854), (3728, 7657), (3952, 7223), (4427, 6448), (4712, 6058)]