131893818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 308674560

約数和(自身を除く): 176780742

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 127, 158, 237, 254, 313, 381, 474, 553, 626, 762, 889, 939, 1106, 1659, 1778, 1878, 2191, 2667, 3318, 4382, 5334, 6573, 10033, 13146, 20066, 24727, 30099, 39751, 49454, 60198, 70231, 74181, 79502, 119253, 140462, 148362, 173089, 210693, 238506, 278257, 346178, 421386, 519267, 556514, 834771, 1038534, 1669542, 3140329, 6280658, 9420987, 18841974, 21982303, 43964606, 65946909, 131893818]

約数ペア:

[(1, 131893818), (2, 65946909), (3, 43964606), (6, 21982303), (7, 18841974), (14, 9420987), (21, 6280658), (42, 3140329), (79, 1669542), (127, 1038534), (158, 834771), (237, 556514), (254, 519267), (313, 421386), (381, 346178), (474, 278257), (553, 238506), (626, 210693), (762, 173089), (889, 148362), (939, 140462), (1106, 119253), (1659, 79502), (1778, 74181), (1878, 70231), (2191, 60198), (2667, 49454), (3318, 39751), (4382, 30099), (5334, 24727), (6573, 20066), (10033, 13146)]