About the Number

129787328

129787327 ← → 129787329

2進数表記:111101111000110010111000000

漢数字表記:一億二千九百七十八万七千三百二十八

素因数分解:

2 6 × 11 1 × 19 1 × 31 1 × 313 1

素因数の和:386
約数の個数: 112
約数和(自身を含む): 306263040
約数和(自身を除く): 176475712

約数列:
[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 88, 124, 152, 176, 209, 248, 304, 313, 341, 352, 418, 496, 589, 608, 626, 682, 704, 836, 992, 1178, 1216, 1252, 1364, 1672, 1984, 2356, 2504, 2728, 3344, 3443, 4712, 5008, 5456, 5947, 6479, 6688, 6886, 9424, 9703, 10016, 10912, 11894, 12958, 13376, 13772, 18848, 19406, 20032, 21824, 23788, 25916, 27544, 37696, 38812, 47576, 51832, 55088, 65417, 77624, 95152, 103664, 106733, 110176, 130834, 155248, 184357, 190304, 207328, 213466, 220352, 261668, 310496, 368714, 380608, 414656, 426932, 523336, 620992, 737428, 853864, 1046672, 1474856, 1707728, 2027927, 2093344, 2949712, 3415456, 4055854, 4186688, 5899424, 6830912, 8111708, 11798848, 16223416, 32446832, 64893664, 129787328]

約数ペア:
[(1, 129787328), (2, 64893664), (4, 32446832), (8, 16223416), (11, 11798848), (16, 8111708), (19, 6830912), (22, 5899424), (31, 4186688), (32, 4055854), (38, 3415456), (44, 2949712), (62, 2093344), (64, 2027927), (76, 1707728), (88, 1474856), (124, 1046672), (152, 853864), (176, 737428), (209, 620992), (248, 523336), (304, 426932), (313, 414656), (341, 380608), (352, 368714), (418, 310496), (496, 261668), (589, 220352), (608, 213466), (626, 207328), (682, 190304), (704, 184357), (836, 155248), (992, 130834), (1178, 110176), (1216, 106733), (1252, 103664), (1364, 95152), (1672, 77624), (1984, 65417), (2356, 55088), (2504, 51832), (2728, 47576), (3344, 38812), (3443, 37696), (4712, 27544), (5008, 25916), (5456, 23788), (5947, 21824), (6479, 20032), (6688, 19406), (6886, 18848), (9424, 13772), (9703, 13376), (10016, 12958), (10912, 11894)]

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