28321428

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 48

約数和(自身を含む): 68410944

約数和(自身を除く): 40089516

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 227, 281, 444, 454, 562, 681, 843, 908, 1124, 1362, 1686, 2724, 3372, 8399, 10397, 16798, 20794, 25197, 31191, 33596, 41588, 50394, 62382, 63787, 100788, 124764, 127574, 191361, 255148, 382722, 765444, 2360119, 4720238, 7080357, 9440476, 14160714, 28321428]

約数ペア:

[(1, 28321428), (2, 14160714), (3, 9440476), (4, 7080357), (6, 4720238), (12, 2360119), (37, 765444), (74, 382722), (111, 255148), (148, 191361), (222, 127574), (227, 124764), (281, 100788), (444, 63787), (454, 62382), (562, 50394), (681, 41588), (843, 33596), (908, 31191), (1124, 25197), (1362, 20794), (1686, 16798), (2724, 10397), (3372, 8399)]