201555172

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1999}}^1$

素因数の和:2300

約数の個数: 48

約数和(自身を含む): 435904000

約数和(自身を除く): 234348828

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 277, 364, 554, 1108, 1939, 1999, 3601, 3878, 3998, 7202, 7756, 7996, 13993, 14404, 25207, 25987, 27986, 50414, 51974, 55972, 100828, 103948, 181909, 363818, 553723, 727636, 1107446, 2214892, 3876061, 7198399, 7752122, 14396798, 15504244, 28793596, 50388793, 100777586, 201555172]

約数ペア:

[(1, 201555172), (2, 100777586), (4, 50388793), (7, 28793596), (13, 15504244), (14, 14396798), (26, 7752122), (28, 7198399), (52, 3876061), (91, 2214892), (182, 1107446), (277, 727636), (364, 553723), (554, 363818), (1108, 181909), (1939, 103948), (1999, 100828), (3601, 55972), (3878, 51974), (3998, 50414), (7202, 27986), (7756, 25987), (7996, 25207), (13993, 14404)]