42001908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:321

約数の個数: 72

約数和(自身を含む): 107604000

約数和(自身を除く): 65602092

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 149, 156, 169, 278, 298, 338, 417, 447, 507, 556, 596, 676, 834, 894, 1014, 1668, 1788, 1807, 1937, 2028, 3614, 3874, 5421, 5811, 7228, 7748, 10842, 11622, 20711, 21684, 23244, 23491, 25181, 41422, 46982, 50362, 62133, 70473, 75543, 82844, 93964, 100724, 124266, 140946, 151086, 248532, 269243, 281892, 302172, 538486, 807729, 1076972, 1615458, 3230916, 3500159, 7000318, 10500477, 14000636, 21000954, 42001908]

約数ペア:

[(1, 42001908), (2, 21000954), (3, 14000636), (4, 10500477), (6, 7000318), (12, 3500159), (13, 3230916), (26, 1615458), (39, 1076972), (52, 807729), (78, 538486), (139, 302172), (149, 281892), (156, 269243), (169, 248532), (278, 151086), (298, 140946), (338, 124266), (417, 100724), (447, 93964), (507, 82844), (556, 75543), (596, 70473), (676, 62133), (834, 50362), (894, 46982), (1014, 41422), (1668, 25181), (1788, 23491), (1807, 23244), (1937, 21684), (2028, 20711), (3614, 11622), (3874, 10842), (5421, 7748), (5811, 7228)]