218907528

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:639

約数の個数: 128

約数和(自身を含む): 652458240

約数和(自身を除く): 433550712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 61, 82, 84, 122, 123, 164, 168, 183, 244, 246, 287, 328, 366, 427, 488, 492, 521, 574, 732, 854, 861, 984, 1042, 1148, 1281, 1464, 1563, 1708, 1722, 2084, 2296, 2501, 2562, 3126, 3416, 3444, 3647, 4168, 5002, 5124, 6252, 6888, 7294, 7503, 10004, 10248, 10941, 12504, 14588, 15006, 17507, 20008, 21361, 21882, 29176, 30012, 31781, 35014, 42722, 43764, 52521, 60024, 63562, 64083, 70028, 85444, 87528, 95343, 105042, 127124, 128166, 140056, 149527, 170888, 190686, 210084, 222467, 254248, 256332, 299054, 381372, 420168, 444934, 448581, 512664, 598108, 667401, 762744, 889868, 897162, 1196216, 1303021, 1334802, 1779736, 1794324, 2606042, 2669604, 3588648, 3909063, 5212084, 5339208, 7818126, 9121147, 10424168, 15636252, 18242294, 27363441, 31272504, 36484588, 54726882, 72969176, 109453764, 218907528]

約数ペア:

[(1, 218907528), (2, 109453764), (3, 72969176), (4, 54726882), (6, 36484588), (7, 31272504), (8, 27363441), (12, 18242294), (14, 15636252), (21, 10424168), (24, 9121147), (28, 7818126), (41, 5339208), (42, 5212084), (56, 3909063), (61, 3588648), (82, 2669604), (84, 2606042), (122, 1794324), (123, 1779736), (164, 1334802), (168, 1303021), (183, 1196216), (244, 897162), (246, 889868), (287, 762744), (328, 667401), (366, 598108), (427, 512664), (488, 448581), (492, 444934), (521, 420168), (574, 381372), (732, 299054), (854, 256332), (861, 254248), (984, 222467), (1042, 210084), (1148, 190686), (1281, 170888), (1464, 149527), (1563, 140056), (1708, 128166), (1722, 127124), (2084, 105042), (2296, 95343), (2501, 87528), (2562, 85444), (3126, 70028), (3416, 64083), (3444, 63562), (3647, 60024), (4168, 52521), (5002, 43764), (5124, 42722), (6252, 35014), (6888, 31781), (7294, 30012), (7503, 29176), (10004, 21882), (10248, 21361), (10941, 20008), (12504, 17507), (14588, 15006)]