398031088

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{593}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 952814016

約数和(自身を除く): 554782928

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 461, 593, 728, 922, 1186, 1456, 1844, 2372, 3227, 3688, 4151, 4744, 5993, 6454, 7376, 7709, 8302, 9488, 11986, 12908, 15418, 16604, 23972, 25816, 30836, 33208, 41951, 47944, 51632, 53963, 61672, 66416, 83902, 95888, 107926, 123344, 167804, 215852, 273373, 335608, 431704, 546746, 671216, 863408, 1093492, 1913611, 2186984, 3553849, 3827222, 4373968, 7107698, 7654444, 14215396, 15308888, 24876943, 28430792, 30617776, 49753886, 56861584, 99507772, 199015544, 398031088]

約数ペア:

[(1, 398031088), (2, 199015544), (4, 99507772), (7, 56861584), (8, 49753886), (13, 30617776), (14, 28430792), (16, 24876943), (26, 15308888), (28, 14215396), (52, 7654444), (56, 7107698), (91, 4373968), (104, 3827222), (112, 3553849), (182, 2186984), (208, 1913611), (364, 1093492), (461, 863408), (593, 671216), (728, 546746), (922, 431704), (1186, 335608), (1456, 273373), (1844, 215852), (2372, 167804), (3227, 123344), (3688, 107926), (4151, 95888), (4744, 83902), (5993, 66416), (6454, 61672), (7376, 53963), (7709, 51632), (8302, 47944), (9488, 41951), (11986, 33208), (12908, 30836), (15418, 25816), (16604, 23972)]