16978206

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 96

約数和(自身を含む): 43338240

約数和(自身を除く): 26360034

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 43, 49, 51, 79, 86, 98, 102, 119, 129, 147, 158, 237, 238, 258, 294, 301, 357, 474, 553, 602, 714, 731, 833, 903, 1106, 1343, 1462, 1659, 1666, 1806, 2107, 2193, 2499, 2686, 3318, 3397, 3871, 4029, 4214, 4386, 4998, 5117, 6321, 6794, 7742, 8058, 9401, 10191, 10234, 11613, 12642, 15351, 18802, 20382, 23226, 23779, 28203, 30702, 35819, 47558, 56406, 57749, 65807, 71337, 71638, 107457, 115498, 131614, 142674, 166453, 173247, 197421, 214914, 332906, 346494, 394842, 404243, 499359, 808486, 998718, 1212729, 2425458, 2829701, 5659402, 8489103, 16978206]

約数ペア:

[(1, 16978206), (2, 8489103), (3, 5659402), (6, 2829701), (7, 2425458), (14, 1212729), (17, 998718), (21, 808486), (34, 499359), (42, 404243), (43, 394842), (49, 346494), (51, 332906), (79, 214914), (86, 197421), (98, 173247), (102, 166453), (119, 142674), (129, 131614), (147, 115498), (158, 107457), (237, 71638), (238, 71337), (258, 65807), (294, 57749), (301, 56406), (357, 47558), (474, 35819), (553, 30702), (602, 28203), (714, 23779), (731, 23226), (833, 20382), (903, 18802), (1106, 15351), (1343, 12642), (1462, 11613), (1659, 10234), (1666, 10191), (1806, 9401), (2107, 8058), (2193, 7742), (2499, 6794), (2686, 6321), (3318, 5117), (3397, 4998), (3871, 4386), (4029, 4214)]