221251712

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:230

約数の個数: 128

約数和(自身を含む): 513492480

約数和(自身を除く): 292240768

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 37, 44, 62, 64, 74, 88, 124, 128, 137, 148, 176, 248, 274, 296, 341, 352, 407, 496, 548, 592, 682, 704, 814, 992, 1096, 1147, 1184, 1364, 1408, 1507, 1628, 1984, 2192, 2294, 2368, 2728, 3014, 3256, 3968, 4247, 4384, 4588, 4736, 5069, 5456, 6028, 6512, 8494, 8768, 9176, 10138, 10912, 12056, 12617, 13024, 16988, 17536, 18352, 20276, 21824, 24112, 25234, 26048, 33976, 36704, 40552, 43648, 46717, 48224, 50468, 52096, 55759, 67952, 73408, 81104, 93434, 96448, 100936, 111518, 135904, 146816, 157139, 162208, 186868, 192896, 201872, 223036, 271808, 314278, 324416, 373736, 403744, 446072, 543616, 628556, 648832, 747472, 807488, 892144, 1257112, 1494944, 1614976, 1728529, 1784288, 2514224, 2989888, 3457058, 3568576, 5028448, 5979776, 6914116, 7137152, 10056896, 13828232, 20113792, 27656464, 55312928, 110625856, 221251712]

約数ペア:

[(1, 221251712), (2, 110625856), (4, 55312928), (8, 27656464), (11, 20113792), (16, 13828232), (22, 10056896), (31, 7137152), (32, 6914116), (37, 5979776), (44, 5028448), (62, 3568576), (64, 3457058), (74, 2989888), (88, 2514224), (124, 1784288), (128, 1728529), (137, 1614976), (148, 1494944), (176, 1257112), (248, 892144), (274, 807488), (296, 747472), (341, 648832), (352, 628556), (407, 543616), (496, 446072), (548, 403744), (592, 373736), (682, 324416), (704, 314278), (814, 271808), (992, 223036), (1096, 201872), (1147, 192896), (1184, 186868), (1364, 162208), (1408, 157139), (1507, 146816), (1628, 135904), (1984, 111518), (2192, 100936), (2294, 96448), (2368, 93434), (2728, 81104), (3014, 73408), (3256, 67952), (3968, 55759), (4247, 52096), (4384, 50468), (4588, 48224), (4736, 46717), (5069, 43648), (5456, 40552), (6028, 36704), (6512, 33976), (8494, 26048), (8768, 25234), (9176, 24112), (10138, 21824), (10912, 20276), (12056, 18352), (12617, 17536), (13024, 16988)]