291228652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{101}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 613314576

約数和(自身を除く): 322085924

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 71, 101, 142, 143, 202, 284, 286, 404, 572, 781, 923, 1111, 1313, 1562, 1846, 2222, 2626, 3124, 3692, 4444, 5041, 5252, 7171, 10082, 10153, 14342, 14443, 20164, 20306, 28684, 28886, 40612, 55451, 57772, 65533, 78881, 93223, 110902, 131066, 157762, 186446, 221804, 262132, 315524, 372892, 509141, 720863, 1018282, 1025453, 1441726, 2036564, 2050906, 2883452, 4101812, 5600551, 6618833, 11201102, 13237666, 22402204, 26475332, 72807163, 145614326, 291228652]

約数ペア:

[(1, 291228652), (2, 145614326), (4, 72807163), (11, 26475332), (13, 22402204), (22, 13237666), (26, 11201102), (44, 6618833), (52, 5600551), (71, 4101812), (101, 2883452), (142, 2050906), (143, 2036564), (202, 1441726), (284, 1025453), (286, 1018282), (404, 720863), (572, 509141), (781, 372892), (923, 315524), (1111, 262132), (1313, 221804), (1562, 186446), (1846, 157762), (2222, 131066), (2626, 110902), (3124, 93223), (3692, 78881), (4444, 65533), (5041, 57772), (5252, 55451), (7171, 40612), (10082, 28886), (10153, 28684), (14342, 20306), (14443, 20164)]