398072048

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61129}}^1$

素因数の和:61185

約数の個数: 40

約数和(自身を含む): 864133680

約数和(自身を除く): 466061632

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3256, 6512, 61129, 122258, 244516, 489032, 672419, 978064, 1344838, 2261773, 2689676, 4523546, 5379352, 9047092, 10758704, 18094184, 24879503, 36188368, 49759006, 99518012, 199036024, 398072048]

約数ペア:

[(1, 398072048), (2, 199036024), (4, 99518012), (8, 49759006), (11, 36188368), (16, 24879503), (22, 18094184), (37, 10758704), (44, 9047092), (74, 5379352), (88, 4523546), (148, 2689676), (176, 2261773), (296, 1344838), (407, 978064), (592, 672419), (814, 489032), (1628, 244516), (3256, 122258), (6512, 61129)]