1489749758

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:753

約数の個数: 64

約数和(自身を含む): 2756436480

約数和(自身を除く): 1266686722

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 251, 266, 371, 421, 502, 742, 842, 1007, 1757, 2014, 2947, 3514, 4769, 5894, 7049, 7999, 9538, 13303, 14098, 15998, 22313, 26606, 33383, 44626, 55993, 66766, 93121, 105671, 111986, 156191, 186242, 211342, 252757, 312382, 423947, 505514, 739697, 847894, 1479394, 1769299, 2007749, 2967629, 3538598, 4015498, 5600563, 5935258, 11201126, 14054243, 28108486, 39203941, 78407882, 106410697, 212821394, 744874879, 1489749758]

約数ペア:

[(1, 1489749758), (2, 744874879), (7, 212821394), (14, 106410697), (19, 78407882), (38, 39203941), (53, 28108486), (106, 14054243), (133, 11201126), (251, 5935258), (266, 5600563), (371, 4015498), (421, 3538598), (502, 2967629), (742, 2007749), (842, 1769299), (1007, 1479394), (1757, 847894), (2014, 739697), (2947, 505514), (3514, 423947), (4769, 312382), (5894, 252757), (7049, 211342), (7999, 186242), (9538, 156191), (13303, 111986), (14098, 105671), (15998, 93121), (22313, 66766), (26606, 55993), (33383, 44626)]