221411664

素因数分解:

$2^4\times 3^3\times {\mathrm{397}}^1\times {\mathrm{1291}}^1$

素因数の和:1705

約数の個数: 80

約数和(自身を含む): 637627840

約数和(自身を除く): 416216176

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 397, 432, 794, 1191, 1291, 1588, 2382, 2582, 3176, 3573, 3873, 4764, 5164, 6352, 7146, 7746, 9528, 10328, 10719, 11619, 14292, 15492, 19056, 20656, 21438, 23238, 28584, 30984, 34857, 42876, 46476, 57168, 61968, 69714, 85752, 92952, 139428, 171504, 185904, 278856, 512527, 557712, 1025054, 1537581, 2050108, 3075162, 4100216, 4612743, 6150324, 8200432, 9225486, 12300648, 13838229, 18450972, 24601296, 27676458, 36901944, 55352916, 73803888, 110705832, 221411664]

約数ペア:

[(1, 221411664), (2, 110705832), (3, 73803888), (4, 55352916), (6, 36901944), (8, 27676458), (9, 24601296), (12, 18450972), (16, 13838229), (18, 12300648), (24, 9225486), (27, 8200432), (36, 6150324), (48, 4612743), (54, 4100216), (72, 3075162), (108, 2050108), (144, 1537581), (216, 1025054), (397, 557712), (432, 512527), (794, 278856), (1191, 185904), (1291, 171504), (1588, 139428), (2382, 92952), (2582, 85752), (3176, 69714), (3573, 61968), (3873, 57168), (4764, 46476), (5164, 42876), (6352, 34857), (7146, 30984), (7746, 28584), (9528, 23238), (10328, 21438), (10719, 20656), (11619, 19056), (14292, 15492)]