15561224

素因数分解:

$2^3\times 7^3\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 34992000

約数和(自身を除く): 19430776

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 107, 196, 212, 214, 343, 371, 392, 424, 428, 686, 742, 749, 856, 1372, 1484, 1498, 2597, 2744, 2968, 2996, 5194, 5243, 5671, 5992, 10388, 10486, 11342, 18179, 20776, 20972, 22684, 36358, 36701, 39697, 41944, 45368, 72716, 73402, 79394, 145432, 146804, 158788, 277879, 293608, 317576, 555758, 1111516, 1945153, 2223032, 3890306, 7780612, 15561224]

約数ペア:

[(1, 15561224), (2, 7780612), (4, 3890306), (7, 2223032), (8, 1945153), (14, 1111516), (28, 555758), (49, 317576), (53, 293608), (56, 277879), (98, 158788), (106, 146804), (107, 145432), (196, 79394), (212, 73402), (214, 72716), (343, 45368), (371, 41944), (392, 39697), (424, 36701), (428, 36358), (686, 22684), (742, 20972), (749, 20776), (856, 18179), (1372, 11342), (1484, 10486), (1498, 10388), (2597, 5992), (2744, 5671), (2968, 5243), (2996, 5194)]