28519876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 96

約数和(自身を含む): 67092480

約数和(自身を除く): 38572604

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 31, 44, 58, 62, 77, 103, 116, 124, 154, 203, 206, 217, 308, 319, 341, 406, 412, 434, 638, 682, 721, 812, 868, 899, 1133, 1276, 1364, 1442, 1798, 2233, 2266, 2387, 2884, 2987, 3193, 3596, 4466, 4532, 4774, 5974, 6293, 6386, 7931, 8932, 9548, 9889, 11948, 12586, 12772, 15862, 19778, 20909, 22351, 25172, 31724, 32857, 35123, 39556, 41818, 44702, 65714, 69223, 70246, 83636, 89404, 92597, 131428, 138446, 140492, 185194, 229999, 245861, 276892, 370388, 459998, 491722, 648179, 919996, 983444, 1018567, 1296358, 2037134, 2592716, 4074268, 7129969, 14259938, 28519876]

約数ペア:

[(1, 28519876), (2, 14259938), (4, 7129969), (7, 4074268), (11, 2592716), (14, 2037134), (22, 1296358), (28, 1018567), (29, 983444), (31, 919996), (44, 648179), (58, 491722), (62, 459998), (77, 370388), (103, 276892), (116, 245861), (124, 229999), (154, 185194), (203, 140492), (206, 138446), (217, 131428), (308, 92597), (319, 89404), (341, 83636), (406, 70246), (412, 69223), (434, 65714), (638, 44702), (682, 41818), (721, 39556), (812, 35123), (868, 32857), (899, 31724), (1133, 25172), (1276, 22351), (1364, 20909), (1442, 19778), (1798, 15862), (2233, 12772), (2266, 12586), (2387, 11948), (2884, 9889), (2987, 9548), (3193, 8932), (3596, 7931), (4466, 6386), (4532, 6293), (4774, 5974)]