631664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:153

約数の個数: 40

約数和(自身を含む): 1385328

約数和(自身を除く): 753664

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 97, 148, 176, 194, 296, 388, 407, 592, 776, 814, 1067, 1552, 1628, 2134, 3256, 3589, 4268, 6512, 7178, 8536, 14356, 17072, 28712, 39479, 57424, 78958, 157916, 315832, 631664]

約数ペア:

[(1, 631664), (2, 315832), (4, 157916), (8, 78958), (11, 57424), (16, 39479), (22, 28712), (37, 17072), (44, 14356), (74, 8536), (88, 7178), (97, 6512), (148, 4268), (176, 3589), (194, 3256), (296, 2134), (388, 1628), (407, 1552), (592, 1067), (776, 814)]