28661234

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 53327808

約数和(自身を除く): 24666574

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 107, 133, 214, 266, 361, 371, 722, 742, 749, 1007, 1498, 2014, 2033, 2527, 4066, 5054, 5671, 7049, 11342, 14098, 14231, 19133, 28462, 38266, 38627, 39697, 77254, 79394, 107749, 133931, 215498, 267862, 270389, 540778, 754243, 1508486, 2047231, 4094462, 14330617, 28661234]

約数ペア:

[(1, 28661234), (2, 14330617), (7, 4094462), (14, 2047231), (19, 1508486), (38, 754243), (53, 540778), (106, 270389), (107, 267862), (133, 215498), (214, 133931), (266, 107749), (361, 79394), (371, 77254), (722, 39697), (742, 38627), (749, 38266), (1007, 28462), (1498, 19133), (2014, 14231), (2033, 14098), (2527, 11342), (4066, 7049), (5054, 5671)]