28778778

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:576

約数の個数: 72

約数和(自身を含む): 73768032

約数和(自身を除く): 44989254

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 67, 98, 126, 134, 147, 201, 294, 402, 441, 469, 487, 603, 882, 938, 974, 1206, 1407, 1461, 2814, 2922, 3283, 3409, 4221, 4383, 6566, 6818, 8442, 8766, 9849, 10227, 19698, 20454, 23863, 29547, 30681, 32629, 47726, 59094, 61362, 65258, 71589, 97887, 143178, 195774, 214767, 228403, 293661, 429534, 456806, 587322, 685209, 1370418, 1598821, 2055627, 3197642, 4111254, 4796463, 9592926, 14389389, 28778778]

約数ペア:

[(1, 28778778), (2, 14389389), (3, 9592926), (6, 4796463), (7, 4111254), (9, 3197642), (14, 2055627), (18, 1598821), (21, 1370418), (42, 685209), (49, 587322), (63, 456806), (67, 429534), (98, 293661), (126, 228403), (134, 214767), (147, 195774), (201, 143178), (294, 97887), (402, 71589), (441, 65258), (469, 61362), (487, 59094), (603, 47726), (882, 32629), (938, 30681), (974, 29547), (1206, 23863), (1407, 20454), (1461, 19698), (2814, 10227), (2922, 9849), (3283, 8766), (3409, 8442), (4221, 6818), (4383, 6566)]