90400018

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{541}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 145949760

約数和(自身を除く): 55549742

約数列:

[1, 2, 29, 43, 58, 67, 86, 134, 541, 1082, 1247, 1943, 2494, 2881, 3886, 5762, 15689, 23263, 31378, 36247, 46526, 72494, 83549, 167098, 674627, 1051163, 1349254, 1558621, 2102326, 3117242, 45200009, 90400018]

約数ペア:

[(1, 90400018), (2, 45200009), (29, 3117242), (43, 2102326), (58, 1558621), (67, 1349254), (86, 1051163), (134, 674627), (541, 167098), (1082, 83549), (1247, 72494), (1943, 46526), (2494, 36247), (2881, 31378), (3886, 23263), (5762, 15689)]