664754728

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{204163}}^1$

素因数の和:204217

約数の個数: 32

約数和(自身を含む): 1396481760

約数和(自身を除く): 731727032

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 204163, 408326, 816652, 1633304, 2245793, 4491586, 7554031, 8983172, 15108062, 17966344, 30216124, 60432248, 83094341, 166188682, 332377364, 664754728]

約数ペア:

[(1, 664754728), (2, 332377364), (4, 166188682), (8, 83094341), (11, 60432248), (22, 30216124), (37, 17966344), (44, 15108062), (74, 8983172), (88, 7554031), (148, 4491586), (296, 2245793), (407, 1633304), (814, 816652), (1628, 408326), (3256, 204163)]