About the Number

121397256

121397255 ← → 121397257

2進数表記:111001111000110000000001000

漢数字表記:一億二千百三十九万七千二百五十六

素因数分解:

2 3 × 3 2 × 43 1 × 113 1 × 347 1

素因数の和:515
約数の個数: 96
約数和(自身を含む): 340385760
約数和(自身を除く): 218988504

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 113, 129, 172, 226, 258, 339, 344, 347, 387, 452, 516, 678, 694, 774, 904, 1017, 1032, 1041, 1356, 1388, 1548, 2034, 2082, 2712, 2776, 3096, 3123, 4068, 4164, 4859, 6246, 8136, 8328, 9718, 12492, 14577, 14921, 19436, 24984, 29154, 29842, 38872, 39211, 43731, 44763, 58308, 59684, 78422, 87462, 89526, 116616, 117633, 119368, 134289, 156844, 174924, 179052, 235266, 268578, 313688, 349848, 352899, 358104, 470532, 537156, 705798, 941064, 1074312, 1411596, 1686073, 2823192, 3372146, 5058219, 6744292, 10116438, 13488584, 15174657, 20232876, 30349314, 40465752, 60698628, 121397256]

約数ペア:
[(1, 121397256), (2, 60698628), (3, 40465752), (4, 30349314), (6, 20232876), (8, 15174657), (9, 13488584), (12, 10116438), (18, 6744292), (24, 5058219), (36, 3372146), (43, 2823192), (72, 1686073), (86, 1411596), (113, 1074312), (129, 941064), (172, 705798), (226, 537156), (258, 470532), (339, 358104), (344, 352899), (347, 349848), (387, 313688), (452, 268578), (516, 235266), (678, 179052), (694, 174924), (774, 156844), (904, 134289), (1017, 119368), (1032, 117633), (1041, 116616), (1356, 89526), (1388, 87462), (1548, 78422), (2034, 59684), (2082, 58308), (2712, 44763), (2776, 43731), (3096, 39211), (3123, 38872), (4068, 29842), (4164, 29154), (4859, 24984), (6246, 19436), (8136, 14921), (8328, 14577), (9718, 12492)]

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