281034378

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{547}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 683220096

約数和(自身を除く): 402185718

約数列:

[1, 2, 3, 6, 9, 17, 18, 23, 34, 46, 51, 69, 73, 102, 138, 146, 153, 207, 219, 306, 391, 414, 438, 547, 657, 782, 1094, 1173, 1241, 1314, 1641, 1679, 2346, 2482, 3282, 3358, 3519, 3723, 4923, 5037, 7038, 7446, 9299, 9846, 10074, 11169, 12581, 15111, 18598, 22338, 25162, 27897, 28543, 30222, 37743, 39931, 55794, 57086, 75486, 79862, 83691, 85629, 113229, 119793, 167382, 171258, 213877, 226458, 239586, 256887, 359379, 427754, 513774, 641631, 678827, 718758, 918413, 1283262, 1357654, 1836826, 1924893, 2036481, 2755239, 3849786, 4072962, 5510478, 6109443, 8265717, 12218886, 15613021, 16531434, 31226042, 46839063, 93678126, 140517189, 281034378]

約数ペア:

[(1, 281034378), (2, 140517189), (3, 93678126), (6, 46839063), (9, 31226042), (17, 16531434), (18, 15613021), (23, 12218886), (34, 8265717), (46, 6109443), (51, 5510478), (69, 4072962), (73, 3849786), (102, 2755239), (138, 2036481), (146, 1924893), (153, 1836826), (207, 1357654), (219, 1283262), (306, 918413), (391, 718758), (414, 678827), (438, 641631), (547, 513774), (657, 427754), (782, 359379), (1094, 256887), (1173, 239586), (1241, 226458), (1314, 213877), (1641, 171258), (1679, 167382), (2346, 119793), (2482, 113229), (3282, 85629), (3358, 83691), (3519, 79862), (3723, 75486), (4923, 57086), (5037, 55794), (7038, 39931), (7446, 37743), (9299, 30222), (9846, 28543), (10074, 27897), (11169, 25162), (12581, 22338), (15111, 18598)]