28942776

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{21157}}^1$

素因数の和:21188

約数の個数: 48

約数和(自身を含む): 82516200

約数和(自身を除く): 53573424

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 21157, 42314, 63471, 84628, 126942, 169256, 190413, 253884, 380826, 401983, 507768, 761652, 803966, 1205949, 1523304, 1607932, 2411898, 3215864, 3617847, 4823796, 7235694, 9647592, 14471388, 28942776]

約数ペア:

[(1, 28942776), (2, 14471388), (3, 9647592), (4, 7235694), (6, 4823796), (8, 3617847), (9, 3215864), (12, 2411898), (18, 1607932), (19, 1523304), (24, 1205949), (36, 803966), (38, 761652), (57, 507768), (72, 401983), (76, 380826), (114, 253884), (152, 190413), (171, 169256), (228, 126942), (342, 84628), (456, 63471), (684, 42314), (1368, 21157)]