29988972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:623

約数の個数: 72

約数和(自身を含む): 82402320

約数和(自身を除く): 52413348

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 461, 468, 556, 834, 922, 1251, 1383, 1668, 1807, 1844, 2502, 2766, 3614, 4149, 5004, 5421, 5532, 5993, 7228, 8298, 10842, 11986, 16263, 16596, 17979, 21684, 23972, 32526, 35958, 53937, 64079, 65052, 71916, 107874, 128158, 192237, 215748, 256316, 384474, 576711, 768948, 833027, 1153422, 1666054, 2306844, 2499081, 3332108, 4998162, 7497243, 9996324, 14994486, 29988972]

約数ペア:

[(1, 29988972), (2, 14994486), (3, 9996324), (4, 7497243), (6, 4998162), (9, 3332108), (12, 2499081), (13, 2306844), (18, 1666054), (26, 1153422), (36, 833027), (39, 768948), (52, 576711), (78, 384474), (117, 256316), (139, 215748), (156, 192237), (234, 128158), (278, 107874), (417, 71916), (461, 65052), (468, 64079), (556, 53937), (834, 35958), (922, 32526), (1251, 23972), (1383, 21684), (1668, 17979), (1807, 16596), (1844, 16263), (2502, 11986), (2766, 10842), (3614, 8298), (4149, 7228), (5004, 5993), (5421, 5532)]