158603965

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 223016976

約数和(自身を除く): 64413011

約数列:

[1, 5, 13, 17, 61, 65, 85, 169, 181, 221, 305, 793, 845, 905, 1037, 1105, 2353, 2873, 3077, 3965, 5185, 10309, 11041, 11765, 13481, 14365, 15385, 30589, 40001, 51545, 55205, 67405, 143533, 152945, 175253, 187697, 200005, 520013, 717665, 876265, 938485, 1865929, 2440061, 2600065, 9329645, 12200305, 31720793, 158603965]

約数ペア:

[(1, 158603965), (5, 31720793), (13, 12200305), (17, 9329645), (61, 2600065), (65, 2440061), (85, 1865929), (169, 938485), (181, 876265), (221, 717665), (305, 520013), (793, 200005), (845, 187697), (905, 175253), (1037, 152945), (1105, 143533), (2353, 67405), (2873, 55205), (3077, 51545), (3965, 40001), (5185, 30589), (10309, 15385), (11041, 14365), (11765, 13481)]