395784688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61381}}^1$

素因数の和:61433

約数の個数: 40

約数和(自身を含む): 852473216

約数和(自身を除く): 456688528

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 61381, 122762, 245524, 491048, 797953, 982096, 1595906, 1902811, 3191812, 3805622, 6383624, 7611244, 12767248, 15222488, 24736543, 30444976, 49473086, 98946172, 197892344, 395784688]

約数ペア:

[(1, 395784688), (2, 197892344), (4, 98946172), (8, 49473086), (13, 30444976), (16, 24736543), (26, 15222488), (31, 12767248), (52, 7611244), (62, 6383624), (104, 3805622), (124, 3191812), (208, 1902811), (248, 1595906), (403, 982096), (496, 797953), (806, 491048), (1612, 245524), (3224, 122762), (6448, 61381)]