221737572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:678

約数の個数: 144

約数和(自身を含む): 679590912

約数和(自身を除く): 457853340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 67, 69, 84, 92, 126, 134, 138, 161, 201, 207, 252, 268, 276, 322, 402, 414, 469, 483, 571, 603, 644, 804, 828, 938, 966, 1142, 1206, 1407, 1449, 1541, 1713, 1876, 1932, 2284, 2412, 2814, 2898, 3082, 3426, 3997, 4221, 4623, 5139, 5628, 5796, 6164, 6852, 7994, 8442, 9246, 10278, 10787, 11991, 13133, 13869, 15988, 16884, 18492, 20556, 21574, 23982, 26266, 27738, 32361, 35973, 38257, 39399, 43148, 47964, 52532, 55476, 64722, 71946, 76514, 78798, 91931, 97083, 114771, 118197, 129444, 143892, 153028, 157596, 183862, 194166, 229542, 236394, 267799, 275793, 344313, 367724, 388332, 459084, 472788, 535598, 551586, 688626, 803397, 827379, 879911, 1071196, 1103172, 1377252, 1606794, 1654758, 1759822, 2410191, 2639733, 3213588, 3309516, 3519644, 4820382, 5279466, 6159377, 7919199, 9640764, 10558932, 12318754, 15838398, 18478131, 24637508, 31676796, 36956262, 55434393, 73912524, 110868786, 221737572]

約数ペア:

[(1, 221737572), (2, 110868786), (3, 73912524), (4, 55434393), (6, 36956262), (7, 31676796), (9, 24637508), (12, 18478131), (14, 15838398), (18, 12318754), (21, 10558932), (23, 9640764), (28, 7919199), (36, 6159377), (42, 5279466), (46, 4820382), (63, 3519644), (67, 3309516), (69, 3213588), (84, 2639733), (92, 2410191), (126, 1759822), (134, 1654758), (138, 1606794), (161, 1377252), (201, 1103172), (207, 1071196), (252, 879911), (268, 827379), (276, 803397), (322, 688626), (402, 551586), (414, 535598), (469, 472788), (483, 459084), (571, 388332), (603, 367724), (644, 344313), (804, 275793), (828, 267799), (938, 236394), (966, 229542), (1142, 194166), (1206, 183862), (1407, 157596), (1449, 153028), (1541, 143892), (1713, 129444), (1876, 118197), (1932, 114771), (2284, 97083), (2412, 91931), (2814, 78798), (2898, 76514), (3082, 71946), (3426, 64722), (3997, 55476), (4221, 52532), (4623, 47964), (5139, 43148), (5628, 39399), (5796, 38257), (6164, 35973), (6852, 32361), (7994, 27738), (8442, 26266), (9246, 23982), (10278, 21574), (10787, 20556), (11991, 18492), (13133, 16884), (13869, 15988)]