31284148

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 72

約数和(自身を含む): 69378120

約数和(自身を除く): 38093972

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 41, 49, 68, 82, 98, 119, 164, 196, 229, 238, 287, 458, 476, 574, 697, 833, 916, 1148, 1394, 1603, 1666, 2009, 2788, 3206, 3332, 3893, 4018, 4879, 6412, 7786, 8036, 9389, 9758, 11221, 15572, 18778, 19516, 22442, 27251, 34153, 37556, 44884, 54502, 65723, 68306, 109004, 131446, 136612, 159613, 190757, 262892, 319226, 381514, 460061, 638452, 763028, 920122, 1117291, 1840244, 2234582, 4469164, 7821037, 15642074, 31284148]

約数ペア:

[(1, 31284148), (2, 15642074), (4, 7821037), (7, 4469164), (14, 2234582), (17, 1840244), (28, 1117291), (34, 920122), (41, 763028), (49, 638452), (68, 460061), (82, 381514), (98, 319226), (119, 262892), (164, 190757), (196, 159613), (229, 136612), (238, 131446), (287, 109004), (458, 68306), (476, 65723), (574, 54502), (697, 44884), (833, 37556), (916, 34153), (1148, 27251), (1394, 22442), (1603, 19516), (1666, 18778), (2009, 15572), (2788, 11221), (3206, 9758), (3332, 9389), (3893, 8036), (4018, 7786), (4879, 6412)]