890218082

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 1541030400

約数和(自身を除く): 650812318

約数列:

[1, 2, 13, 23, 26, 46, 97, 103, 149, 194, 206, 298, 299, 598, 1261, 1339, 1937, 2231, 2369, 2522, 2678, 3427, 3874, 4462, 4738, 6854, 9991, 14453, 15347, 19982, 28906, 29003, 30694, 30797, 44551, 58006, 61594, 89102, 129883, 187889, 199511, 229793, 259766, 332419, 352981, 375778, 399022, 459586, 664838, 705962, 1488659, 2977318, 2987309, 4321447, 4588753, 5974618, 8642894, 9177506, 19352567, 34239157, 38705134, 68478314, 445109041, 890218082]

約数ペア:

[(1, 890218082), (2, 445109041), (13, 68478314), (23, 38705134), (26, 34239157), (46, 19352567), (97, 9177506), (103, 8642894), (149, 5974618), (194, 4588753), (206, 4321447), (298, 2987309), (299, 2977318), (598, 1488659), (1261, 705962), (1339, 664838), (1937, 459586), (2231, 399022), (2369, 375778), (2522, 352981), (2678, 332419), (3427, 259766), (3874, 229793), (4462, 199511), (4738, 187889), (6854, 129883), (9991, 89102), (14453, 61594), (15347, 58006), (19982, 44551), (28906, 30797), (29003, 30694)]