28873208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2333}}^1$

素因数の和:2376

約数の個数: 64

約数和(自身を含む): 70580160

約数和(自身を除く): 41706952

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 182, 221, 238, 364, 442, 476, 728, 884, 952, 1547, 1768, 2333, 3094, 4666, 6188, 9332, 12376, 16331, 18664, 30329, 32662, 39661, 60658, 65324, 79322, 121316, 130648, 158644, 212303, 242632, 277627, 317288, 424606, 515593, 555254, 849212, 1031186, 1110508, 1698424, 2062372, 2221016, 3609151, 4124744, 7218302, 14436604, 28873208]

約数ペア:

[(1, 28873208), (2, 14436604), (4, 7218302), (7, 4124744), (8, 3609151), (13, 2221016), (14, 2062372), (17, 1698424), (26, 1110508), (28, 1031186), (34, 849212), (52, 555254), (56, 515593), (68, 424606), (91, 317288), (104, 277627), (119, 242632), (136, 212303), (182, 158644), (221, 130648), (238, 121316), (364, 79322), (442, 65324), (476, 60658), (728, 39661), (884, 32662), (952, 30329), (1547, 18664), (1768, 16331), (2333, 12376), (3094, 9332), (4666, 6188)]