28238994

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:440

約数の個数: 72

約数和(自身を含む): 72105228

約数和(自身を除く): 43866234

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 101, 126, 147, 202, 294, 303, 317, 441, 606, 634, 707, 882, 909, 951, 1414, 1818, 1902, 2121, 2219, 2853, 4242, 4438, 4949, 5706, 6363, 6657, 9898, 12726, 13314, 14847, 15533, 19971, 29694, 31066, 32017, 39942, 44541, 46599, 64034, 89082, 93198, 96051, 139797, 192102, 224119, 279594, 288153, 448238, 576306, 672357, 1344714, 1568833, 2017071, 3137666, 4034142, 4706499, 9412998, 14119497, 28238994]

約数ペア:

[(1, 28238994), (2, 14119497), (3, 9412998), (6, 4706499), (7, 4034142), (9, 3137666), (14, 2017071), (18, 1568833), (21, 1344714), (42, 672357), (49, 576306), (63, 448238), (98, 288153), (101, 279594), (126, 224119), (147, 192102), (202, 139797), (294, 96051), (303, 93198), (317, 89082), (441, 64034), (606, 46599), (634, 44541), (707, 39942), (882, 32017), (909, 31066), (951, 29694), (1414, 19971), (1818, 15533), (1902, 14847), (2121, 13314), (2219, 12726), (2853, 9898), (4242, 6657), (4438, 6363), (4949, 5706)]