128842252

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2237}}^1$

素因数の和:2287

約数の個数: 72

約数和(自身を含む): 300035232

約数和(自身を除く): 171192980

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 119, 121, 154, 187, 238, 242, 308, 374, 476, 484, 748, 847, 1309, 1694, 2057, 2237, 2618, 3388, 4114, 4474, 5236, 8228, 8948, 14399, 15659, 24607, 28798, 31318, 38029, 49214, 57596, 62636, 76058, 98428, 152116, 172249, 266203, 270677, 344498, 418319, 532406, 541354, 688996, 836638, 1064812, 1082708, 1673276, 1894739, 2928233, 3789478, 4601509, 5856466, 7578956, 9203018, 11712932, 18406036, 32210563, 64421126, 128842252]

約数ペア:

[(1, 128842252), (2, 64421126), (4, 32210563), (7, 18406036), (11, 11712932), (14, 9203018), (17, 7578956), (22, 5856466), (28, 4601509), (34, 3789478), (44, 2928233), (68, 1894739), (77, 1673276), (119, 1082708), (121, 1064812), (154, 836638), (187, 688996), (238, 541354), (242, 532406), (308, 418319), (374, 344498), (476, 270677), (484, 266203), (748, 172249), (847, 152116), (1309, 98428), (1694, 76058), (2057, 62636), (2237, 57596), (2618, 49214), (3388, 38029), (4114, 31318), (4474, 28798), (5236, 24607), (8228, 15659), (8948, 14399)]