647008908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{20431}}^1$

素因数の和:20487

約数の個数: 96

約数和(自身を含む): 1922242560

約数和(自身を除く): 1275233652

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 29, 39, 42, 52, 58, 78, 84, 87, 91, 116, 156, 174, 182, 203, 273, 348, 364, 377, 406, 546, 609, 754, 812, 1092, 1131, 1218, 1508, 2262, 2436, 2639, 4524, 5278, 7917, 10556, 15834, 20431, 31668, 40862, 61293, 81724, 122586, 143017, 245172, 265603, 286034, 429051, 531206, 572068, 592499, 796809, 858102, 1062412, 1184998, 1593618, 1716204, 1777497, 1859221, 2369996, 3187236, 3554994, 3718442, 4147493, 5577663, 7109988, 7436884, 7702487, 8294986, 11155326, 12442479, 15404974, 16589972, 22310652, 23107461, 24884958, 30809948, 46214922, 49769916, 53917409, 92429844, 107834818, 161752227, 215669636, 323504454, 647008908]

約数ペア:

[(1, 647008908), (2, 323504454), (3, 215669636), (4, 161752227), (6, 107834818), (7, 92429844), (12, 53917409), (13, 49769916), (14, 46214922), (21, 30809948), (26, 24884958), (28, 23107461), (29, 22310652), (39, 16589972), (42, 15404974), (52, 12442479), (58, 11155326), (78, 8294986), (84, 7702487), (87, 7436884), (91, 7109988), (116, 5577663), (156, 4147493), (174, 3718442), (182, 3554994), (203, 3187236), (273, 2369996), (348, 1859221), (364, 1777497), (377, 1716204), (406, 1593618), (546, 1184998), (609, 1062412), (754, 858102), (812, 796809), (1092, 592499), (1131, 572068), (1218, 531206), (1508, 429051), (2262, 286034), (2436, 265603), (2639, 245172), (4524, 143017), (5278, 122586), (7917, 81724), (10556, 61293), (15834, 40862), (20431, 31668)]