65131976

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{12781}}^1$

素因数の和:12814

約数の個数: 48

約数和(自身を含む): 153000540

約数和(自身を除く): 87868564

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 5096, 12781, 25562, 51124, 89467, 102248, 166153, 178934, 332306, 357868, 626269, 664612, 715736, 1163071, 1252538, 1329224, 2326142, 2505076, 4652284, 5010152, 8141497, 9304568, 16282994, 32565988, 65131976]

約数ペア:

[(1, 65131976), (2, 32565988), (4, 16282994), (7, 9304568), (8, 8141497), (13, 5010152), (14, 4652284), (26, 2505076), (28, 2326142), (49, 1329224), (52, 1252538), (56, 1163071), (91, 715736), (98, 664612), (104, 626269), (182, 357868), (196, 332306), (364, 178934), (392, 166153), (637, 102248), (728, 89467), (1274, 51124), (2548, 25562), (5096, 12781)]