261776148

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:357

約数の個数: 96

約数和(自身を含む): 662538240

約数和(自身を除く): 400762092

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 103, 114, 142, 157, 206, 213, 228, 284, 309, 314, 412, 426, 471, 618, 628, 852, 942, 1236, 1349, 1884, 1957, 2698, 2983, 3914, 4047, 5396, 5871, 5966, 7313, 7828, 8094, 8949, 11147, 11742, 11932, 14626, 16171, 16188, 17898, 21939, 22294, 23484, 29252, 32342, 33441, 35796, 43878, 44588, 48513, 64684, 66882, 87756, 97026, 133764, 138947, 194052, 211793, 277894, 307249, 416841, 423586, 555788, 614498, 635379, 833682, 847172, 921747, 1148141, 1228996, 1270758, 1667364, 1843494, 2296282, 2541516, 3444423, 3686988, 4592564, 6888846, 13777692, 21814679, 43629358, 65444037, 87258716, 130888074, 261776148]

約数ペア:

[(1, 261776148), (2, 130888074), (3, 87258716), (4, 65444037), (6, 43629358), (12, 21814679), (19, 13777692), (38, 6888846), (57, 4592564), (71, 3686988), (76, 3444423), (103, 2541516), (114, 2296282), (142, 1843494), (157, 1667364), (206, 1270758), (213, 1228996), (228, 1148141), (284, 921747), (309, 847172), (314, 833682), (412, 635379), (426, 614498), (471, 555788), (618, 423586), (628, 416841), (852, 307249), (942, 277894), (1236, 211793), (1349, 194052), (1884, 138947), (1957, 133764), (2698, 97026), (2983, 87756), (3914, 66882), (4047, 64684), (5396, 48513), (5871, 44588), (5966, 43878), (7313, 35796), (7828, 33441), (8094, 32342), (8949, 29252), (11147, 23484), (11742, 22294), (11932, 21939), (14626, 17898), (16171, 16188)]