28218736

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19381}}^1$

素因数の和:19409

約数の個数: 40

約数和(自身を含む): 67294304

約数和(自身を除く): 39075568

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19381, 38762, 77524, 135667, 155048, 251953, 271334, 310096, 503906, 542668, 1007812, 1085336, 1763671, 2015624, 2170672, 3527342, 4031248, 7054684, 14109368, 28218736]

約数ペア:

[(1, 28218736), (2, 14109368), (4, 7054684), (7, 4031248), (8, 3527342), (13, 2170672), (14, 2015624), (16, 1763671), (26, 1085336), (28, 1007812), (52, 542668), (56, 503906), (91, 310096), (104, 271334), (112, 251953), (182, 155048), (208, 135667), (364, 77524), (728, 38762), (1456, 19381)]