215612912

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:754

約数の個数: 80

約数和(自身を含む): 467901600

約数和(自身を除く): 252288688

約数列:

[1, 2, 4, 8, 16, 19, 29, 37, 38, 58, 74, 76, 116, 148, 152, 232, 296, 304, 464, 551, 592, 661, 703, 1073, 1102, 1322, 1406, 2146, 2204, 2644, 2812, 4292, 4408, 5288, 5624, 8584, 8816, 10576, 11248, 12559, 17168, 19169, 20387, 24457, 25118, 38338, 40774, 48914, 50236, 76676, 81548, 97828, 100472, 153352, 163096, 195656, 200944, 306704, 326192, 364211, 391312, 464683, 709253, 728422, 929366, 1418506, 1456844, 1858732, 2837012, 2913688, 3717464, 5674024, 5827376, 7434928, 11348048, 13475807, 26951614, 53903228, 107806456, 215612912]

約数ペア:

[(1, 215612912), (2, 107806456), (4, 53903228), (8, 26951614), (16, 13475807), (19, 11348048), (29, 7434928), (37, 5827376), (38, 5674024), (58, 3717464), (74, 2913688), (76, 2837012), (116, 1858732), (148, 1456844), (152, 1418506), (232, 929366), (296, 728422), (304, 709253), (464, 464683), (551, 391312), (592, 364211), (661, 326192), (703, 306704), (1073, 200944), (1102, 195656), (1322, 163096), (1406, 153352), (2146, 100472), (2204, 97828), (2644, 81548), (2812, 76676), (4292, 50236), (4408, 48914), (5288, 40774), (5624, 38338), (8584, 25118), (8816, 24457), (10576, 20387), (11248, 19169), (12559, 17168)]