201621904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 457470720

約数和(自身を除く): 255848816

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 79, 88, 136, 158, 176, 187, 272, 316, 374, 632, 748, 853, 869, 1264, 1343, 1496, 1706, 1738, 2686, 2992, 3412, 3476, 5372, 6824, 6952, 9383, 10744, 13648, 13904, 14501, 14773, 18766, 21488, 29002, 29546, 37532, 58004, 59092, 67387, 75064, 116008, 118184, 134774, 150128, 159511, 232016, 236368, 269548, 319022, 539096, 638044, 741257, 1078192, 1145579, 1276088, 1482514, 2291158, 2552176, 2965028, 4582316, 5930056, 9164632, 11860112, 12601369, 18329264, 25202738, 50405476, 100810952, 201621904]

約数ペア:

[(1, 201621904), (2, 100810952), (4, 50405476), (8, 25202738), (11, 18329264), (16, 12601369), (17, 11860112), (22, 9164632), (34, 5930056), (44, 4582316), (68, 2965028), (79, 2552176), (88, 2291158), (136, 1482514), (158, 1276088), (176, 1145579), (187, 1078192), (272, 741257), (316, 638044), (374, 539096), (632, 319022), (748, 269548), (853, 236368), (869, 232016), (1264, 159511), (1343, 150128), (1496, 134774), (1706, 118184), (1738, 116008), (2686, 75064), (2992, 67387), (3412, 59092), (3476, 58004), (5372, 37532), (6824, 29546), (6952, 29002), (9383, 21488), (10744, 18766), (13648, 14773), (13904, 14501)]