About the Number

1238247972

1238247971 ← → 1238247973

2進数表記:1001001110011100010101000100100

漢数字表記:十二億三千八百二十四万七千九百七十二

素因数分解:

2 2 × 3 4 × 13 1 × 17 1 × 17293 1

素因数の和:17339
約数の個数: 120
約数和(自身を含む): 3691300536
約数和(自身を除く): 2453052564

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 68, 78, 81, 102, 108, 117, 153, 156, 162, 204, 221, 234, 306, 324, 351, 442, 459, 468, 612, 663, 702, 884, 918, 1053, 1326, 1377, 1404, 1836, 1989, 2106, 2652, 2754, 3978, 4212, 5508, 5967, 7956, 11934, 17293, 17901, 23868, 34586, 35802, 51879, 69172, 71604, 103758, 155637, 207516, 224809, 293981, 311274, 449618, 466911, 587962, 622548, 674427, 881943, 899236, 933822, 1175924, 1348854, 1400733, 1763886, 1867644, 2023281, 2645829, 2697708, 2801466, 3527772, 3821753, 4046562, 5291658, 5602932, 6069843, 7643506, 7937487, 8093124, 10583316, 11465259, 12139686, 15287012, 15874974, 18209529, 22930518, 23812461, 24279372, 31749948, 34395777, 36419058, 45861036, 47624922, 68791554, 72838116, 95249844, 103187331, 137583108, 206374662, 309561993, 412749324, 619123986, 1238247972]

約数ペア:
[(1, 1238247972), (2, 619123986), (3, 412749324), (4, 309561993), (6, 206374662), (9, 137583108), (12, 103187331), (13, 95249844), (17, 72838116), (18, 68791554), (26, 47624922), (27, 45861036), (34, 36419058), (36, 34395777), (39, 31749948), (51, 24279372), (52, 23812461), (54, 22930518), (68, 18209529), (78, 15874974), (81, 15287012), (102, 12139686), (108, 11465259), (117, 10583316), (153, 8093124), (156, 7937487), (162, 7643506), (204, 6069843), (221, 5602932), (234, 5291658), (306, 4046562), (324, 3821753), (351, 3527772), (442, 2801466), (459, 2697708), (468, 2645829), (612, 2023281), (663, 1867644), (702, 1763886), (884, 1400733), (918, 1348854), (1053, 1175924), (1326, 933822), (1377, 899236), (1404, 881943), (1836, 674427), (1989, 622548), (2106, 587962), (2652, 466911), (2754, 449618), (3978, 311274), (4212, 293981), (5508, 224809), (5967, 207516), (7956, 155637), (11934, 103758), (17293, 71604), (17901, 69172), (23868, 51879), (34586, 35802)]

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