129706768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3257}}^1$

素因数の和:3415

約数の個数: 40

約数和(自身を含む): 266634720

約数和(自身を除く): 136927952

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 131, 152, 262, 304, 524, 1048, 2096, 2489, 3257, 4978, 6514, 9956, 13028, 19912, 26056, 39824, 52112, 61883, 123766, 247532, 426667, 495064, 853334, 990128, 1706668, 3413336, 6826672, 8106673, 16213346, 32426692, 64853384, 129706768]

約数ペア:

[(1, 129706768), (2, 64853384), (4, 32426692), (8, 16213346), (16, 8106673), (19, 6826672), (38, 3413336), (76, 1706668), (131, 990128), (152, 853334), (262, 495064), (304, 426667), (524, 247532), (1048, 123766), (2096, 61883), (2489, 52112), (3257, 39824), (4978, 26056), (6514, 19912), (9956, 13028)]