221383272

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 627419520

約数和(自身を除く): 406036248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 41, 44, 66, 82, 88, 113, 123, 132, 164, 181, 226, 246, 264, 328, 339, 362, 451, 452, 492, 543, 678, 724, 902, 904, 984, 1086, 1243, 1353, 1356, 1448, 1804, 1991, 2172, 2486, 2706, 2712, 3608, 3729, 3982, 4344, 4633, 4972, 5412, 5973, 7421, 7458, 7964, 9266, 9944, 10824, 11946, 13899, 14842, 14916, 15928, 18532, 20453, 22263, 23892, 27798, 29684, 29832, 37064, 40906, 44526, 47784, 50963, 55596, 59368, 61359, 81631, 81812, 89052, 101926, 111192, 122718, 152889, 163262, 163624, 178104, 203852, 224983, 244893, 245436, 305778, 326524, 407704, 449966, 489786, 490872, 611556, 653048, 674949, 838573, 899932, 979572, 1223112, 1349898, 1677146, 1799864, 1959144, 2515719, 2699796, 3354292, 5031438, 5399592, 6708584, 9224303, 10062876, 18448606, 20125752, 27672909, 36897212, 55345818, 73794424, 110691636, 221383272]

約数ペア:

[(1, 221383272), (2, 110691636), (3, 73794424), (4, 55345818), (6, 36897212), (8, 27672909), (11, 20125752), (12, 18448606), (22, 10062876), (24, 9224303), (33, 6708584), (41, 5399592), (44, 5031438), (66, 3354292), (82, 2699796), (88, 2515719), (113, 1959144), (123, 1799864), (132, 1677146), (164, 1349898), (181, 1223112), (226, 979572), (246, 899932), (264, 838573), (328, 674949), (339, 653048), (362, 611556), (451, 490872), (452, 489786), (492, 449966), (543, 407704), (678, 326524), (724, 305778), (902, 245436), (904, 244893), (984, 224983), (1086, 203852), (1243, 178104), (1353, 163624), (1356, 163262), (1448, 152889), (1804, 122718), (1991, 111192), (2172, 101926), (2486, 89052), (2706, 81812), (2712, 81631), (3608, 61359), (3729, 59368), (3982, 55596), (4344, 50963), (4633, 47784), (4972, 44526), (5412, 40906), (5973, 37064), (7421, 29832), (7458, 29684), (7964, 27798), (9266, 23892), (9944, 22263), (10824, 20453), (11946, 18532), (13899, 15928), (14842, 14916)]