163979816

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{20477}}^1$

素因数の和:20514

約数の個数: 64

約数和(自身を含む): 412836480

約数和(自身を除く): 248856664

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 4004, 8008, 20477, 40954, 81908, 143339, 163816, 225247, 266201, 286678, 450494, 532402, 573356, 900988, 1064804, 1146712, 1576729, 1801976, 1863407, 2129608, 2928211, 3153458, 3726814, 5856422, 6306916, 7453628, 11712844, 12613832, 14907256, 20497477, 23425688, 40994954, 81989908, 163979816]

約数ペア:

[(1, 163979816), (2, 81989908), (4, 40994954), (7, 23425688), (8, 20497477), (11, 14907256), (13, 12613832), (14, 11712844), (22, 7453628), (26, 6306916), (28, 5856422), (44, 3726814), (52, 3153458), (56, 2928211), (77, 2129608), (88, 1863407), (91, 1801976), (104, 1576729), (143, 1146712), (154, 1064804), (182, 900988), (286, 573356), (308, 532402), (364, 450494), (572, 286678), (616, 266201), (728, 225247), (1001, 163816), (1144, 143339), (2002, 81908), (4004, 40954), (8008, 20477)]