253247748

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{15761}}^1$

素因数の和:15884

約数の個数: 48

約数和(自身を含む): 642585216

約数和(自身を除く): 389337468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1236, 1339, 2678, 4017, 5356, 8034, 15761, 16068, 31522, 47283, 63044, 94566, 189132, 204893, 409786, 614679, 819572, 1229358, 1623383, 2458716, 3246766, 4870149, 6493532, 9740298, 19480596, 21103979, 42207958, 63311937, 84415916, 126623874, 253247748]

約数ペア:

[(1, 253247748), (2, 126623874), (3, 84415916), (4, 63311937), (6, 42207958), (12, 21103979), (13, 19480596), (26, 9740298), (39, 6493532), (52, 4870149), (78, 3246766), (103, 2458716), (156, 1623383), (206, 1229358), (309, 819572), (412, 614679), (618, 409786), (1236, 204893), (1339, 189132), (2678, 94566), (4017, 63044), (5356, 47283), (8034, 31522), (15761, 16068)]