28218268

素因数分解:

$2^2\times {\mathrm{13}}^5\times {\mathrm{19}}^1$

素因数の和:88

約数の個数: 36

約数和(自身を含む): 56312760

約数和(自身を除く): 28094492

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 2197, 3211, 4394, 6422, 8788, 12844, 28561, 41743, 57122, 83486, 114244, 166972, 371293, 542659, 742586, 1085318, 1485172, 2170636, 7054567, 14109134, 28218268]

約数ペア:

[(1, 28218268), (2, 14109134), (4, 7054567), (13, 2170636), (19, 1485172), (26, 1085318), (38, 742586), (52, 542659), (76, 371293), (169, 166972), (247, 114244), (338, 83486), (494, 57122), (676, 41743), (988, 28561), (2197, 12844), (3211, 8788), (4394, 6422)]