28030212

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{727}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 88792704

約数和(自身を除く): 60762492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 81, 84, 102, 108, 119, 126, 153, 162, 189, 204, 238, 252, 306, 324, 357, 378, 459, 476, 567, 612, 714, 727, 756, 918, 1071, 1134, 1377, 1428, 1454, 1836, 2142, 2181, 2268, 2754, 2908, 3213, 4284, 4362, 5089, 5508, 6426, 6543, 8724, 9639, 10178, 12359, 12852, 13086, 15267, 19278, 19629, 20356, 24718, 26172, 30534, 37077, 38556, 39258, 45801, 49436, 58887, 61068, 74154, 78516, 86513, 91602, 111231, 117774, 137403, 148308, 173026, 183204, 222462, 235548, 259539, 274806, 333693, 346052, 412209, 444924, 519078, 549612, 667386, 778617, 824418, 1001079, 1038156, 1334772, 1557234, 1648836, 2002158, 2335851, 3114468, 4004316, 4671702, 7007553, 9343404, 14015106, 28030212]

約数ペア:

[(1, 28030212), (2, 14015106), (3, 9343404), (4, 7007553), (6, 4671702), (7, 4004316), (9, 3114468), (12, 2335851), (14, 2002158), (17, 1648836), (18, 1557234), (21, 1334772), (27, 1038156), (28, 1001079), (34, 824418), (36, 778617), (42, 667386), (51, 549612), (54, 519078), (63, 444924), (68, 412209), (81, 346052), (84, 333693), (102, 274806), (108, 259539), (119, 235548), (126, 222462), (153, 183204), (162, 173026), (189, 148308), (204, 137403), (238, 117774), (252, 111231), (306, 91602), (324, 86513), (357, 78516), (378, 74154), (459, 61068), (476, 58887), (567, 49436), (612, 45801), (714, 39258), (727, 38556), (756, 37077), (918, 30534), (1071, 26172), (1134, 24718), (1377, 20356), (1428, 19629), (1454, 19278), (1836, 15267), (2142, 13086), (2181, 12852), (2268, 12359), (2754, 10178), (2908, 9639), (3213, 8724), (4284, 6543), (4362, 6426), (5089, 5508)]