28067910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1013

約数の個数: 64

約数和(自身を含む): 73543680

約数和(自身を除く): 45475770

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 79, 130, 158, 195, 237, 390, 395, 474, 790, 911, 1027, 1185, 1822, 2054, 2370, 2733, 3081, 4555, 5135, 5466, 6162, 9110, 10270, 11843, 13665, 15405, 23686, 27330, 30810, 35529, 59215, 71058, 71969, 118430, 143938, 177645, 215907, 355290, 359845, 431814, 719690, 935597, 1079535, 1871194, 2159070, 2806791, 4677985, 5613582, 9355970, 14033955, 28067910]

約数ペア:

[(1, 28067910), (2, 14033955), (3, 9355970), (5, 5613582), (6, 4677985), (10, 2806791), (13, 2159070), (15, 1871194), (26, 1079535), (30, 935597), (39, 719690), (65, 431814), (78, 359845), (79, 355290), (130, 215907), (158, 177645), (195, 143938), (237, 118430), (390, 71969), (395, 71058), (474, 59215), (790, 35529), (911, 30810), (1027, 27330), (1185, 23686), (1822, 15405), (2054, 13665), (2370, 11843), (2733, 10270), (3081, 9110), (4555, 6162), (5135, 5466)]