251566755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 462274560

約数和(自身を除く): 210707805

約数列:

[1, 3, 5, 11, 15, 23, 33, 55, 69, 115, 151, 165, 253, 345, 439, 453, 755, 759, 1265, 1317, 1661, 2195, 2265, 3473, 3795, 4829, 4983, 6585, 8305, 10097, 10419, 14487, 17365, 24145, 24915, 30291, 38203, 50485, 52095, 66289, 72435, 111067, 114609, 151455, 191015, 198867, 331445, 333201, 555335, 573045, 729179, 994335, 1524647, 1666005, 2187537, 3645895, 4573941, 7623235, 10937685, 16771117, 22869705, 50313351, 83855585, 251566755]

約数ペア:

[(1, 251566755), (3, 83855585), (5, 50313351), (11, 22869705), (15, 16771117), (23, 10937685), (33, 7623235), (55, 4573941), (69, 3645895), (115, 2187537), (151, 1666005), (165, 1524647), (253, 994335), (345, 729179), (439, 573045), (453, 555335), (755, 333201), (759, 331445), (1265, 198867), (1317, 191015), (1661, 151455), (2195, 114609), (2265, 111067), (3473, 72435), (3795, 66289), (4829, 52095), (4983, 50485), (6585, 38203), (8305, 30291), (10097, 24915), (10419, 24145), (14487, 17365)]