163638356

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:864

約数の個数: 48

約数和(自身を含む): 335395200

約数和(自身を除く): 171756844

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 149, 244, 298, 427, 596, 643, 854, 1043, 1286, 1708, 2086, 2572, 4172, 4501, 9002, 9089, 18004, 18178, 36356, 39223, 63623, 78446, 95807, 127246, 156892, 191614, 254492, 274561, 383228, 549122, 670649, 1098244, 1341298, 2682596, 5844227, 11688454, 23376908, 40909589, 81819178, 163638356]

約数ペア:

[(1, 163638356), (2, 81819178), (4, 40909589), (7, 23376908), (14, 11688454), (28, 5844227), (61, 2682596), (122, 1341298), (149, 1098244), (244, 670649), (298, 549122), (427, 383228), (596, 274561), (643, 254492), (854, 191614), (1043, 156892), (1286, 127246), (1708, 95807), (2086, 78446), (2572, 63623), (4172, 39223), (4501, 36356), (9002, 18178), (9089, 18004)]