15973804

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 36771840

約数和(自身を除く): 20798036

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 31, 44, 49, 62, 77, 98, 124, 154, 196, 217, 239, 308, 341, 434, 478, 539, 682, 868, 956, 1078, 1364, 1519, 1673, 2156, 2387, 2629, 3038, 3346, 4774, 5258, 6076, 6692, 7409, 9548, 10516, 11711, 14818, 16709, 18403, 23422, 29636, 33418, 36806, 46844, 51863, 66836, 73612, 81499, 103726, 128821, 162998, 207452, 257642, 325996, 363041, 515284, 570493, 726082, 1140986, 1452164, 2281972, 3993451, 7986902, 15973804]

約数ペア:

[(1, 15973804), (2, 7986902), (4, 3993451), (7, 2281972), (11, 1452164), (14, 1140986), (22, 726082), (28, 570493), (31, 515284), (44, 363041), (49, 325996), (62, 257642), (77, 207452), (98, 162998), (124, 128821), (154, 103726), (196, 81499), (217, 73612), (239, 66836), (308, 51863), (341, 46844), (434, 36806), (478, 33418), (539, 29636), (682, 23422), (868, 18403), (956, 16709), (1078, 14818), (1364, 11711), (1519, 10516), (1673, 9548), (2156, 7409), (2387, 6692), (2629, 6076), (3038, 5258), (3346, 4774)]