31055728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 80

約数和(自身を含む): 71245440

約数和(自身を除く): 40189712

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 176, 209, 251, 296, 304, 407, 418, 502, 592, 703, 814, 836, 1004, 1406, 1628, 1672, 2008, 2761, 2812, 3256, 3344, 4016, 4769, 5522, 5624, 6512, 7733, 9287, 9538, 11044, 11248, 15466, 18574, 19076, 22088, 30932, 37148, 38152, 44176, 52459, 61864, 74296, 76304, 102157, 104918, 123728, 148592, 176453, 204314, 209836, 352906, 408628, 419672, 705812, 817256, 839344, 1411624, 1634512, 1940983, 2823248, 3881966, 7763932, 15527864, 31055728]

約数ペア:

[(1, 31055728), (2, 15527864), (4, 7763932), (8, 3881966), (11, 2823248), (16, 1940983), (19, 1634512), (22, 1411624), (37, 839344), (38, 817256), (44, 705812), (74, 419672), (76, 408628), (88, 352906), (148, 209836), (152, 204314), (176, 176453), (209, 148592), (251, 123728), (296, 104918), (304, 102157), (407, 76304), (418, 74296), (502, 61864), (592, 52459), (703, 44176), (814, 38152), (836, 37148), (1004, 30932), (1406, 22088), (1628, 19076), (1672, 18574), (2008, 15466), (2761, 11248), (2812, 11044), (3256, 9538), (3344, 9287), (4016, 7733), (4769, 6512), (5522, 5624)]