381232008

素因数分解:

$2^3\times 3^6\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:654

約数の個数: 112

約数和(自身を含む): 1082070000

約数和(自身を除く): 700837992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 131, 162, 216, 243, 262, 324, 393, 486, 499, 524, 648, 729, 786, 972, 998, 1048, 1179, 1458, 1497, 1572, 1944, 1996, 2358, 2916, 2994, 3144, 3537, 3992, 4491, 4716, 5832, 5988, 7074, 8982, 9432, 10611, 11976, 13473, 14148, 17964, 21222, 26946, 28296, 31833, 35928, 40419, 42444, 53892, 63666, 65369, 80838, 84888, 95499, 107784, 121257, 127332, 130738, 161676, 190998, 196107, 242514, 254664, 261476, 323352, 363771, 381996, 392214, 485028, 522952, 588321, 727542, 763992, 784428, 970056, 1176642, 1455084, 1568856, 1764963, 2353284, 2910168, 3529926, 4706568, 5294889, 7059852, 10589778, 14119704, 15884667, 21179556, 31769334, 42359112, 47654001, 63538668, 95308002, 127077336, 190616004, 381232008]

約数ペア:

[(1, 381232008), (2, 190616004), (3, 127077336), (4, 95308002), (6, 63538668), (8, 47654001), (9, 42359112), (12, 31769334), (18, 21179556), (24, 15884667), (27, 14119704), (36, 10589778), (54, 7059852), (72, 5294889), (81, 4706568), (108, 3529926), (131, 2910168), (162, 2353284), (216, 1764963), (243, 1568856), (262, 1455084), (324, 1176642), (393, 970056), (486, 784428), (499, 763992), (524, 727542), (648, 588321), (729, 522952), (786, 485028), (972, 392214), (998, 381996), (1048, 363771), (1179, 323352), (1458, 261476), (1497, 254664), (1572, 242514), (1944, 196107), (1996, 190998), (2358, 161676), (2916, 130738), (2994, 127332), (3144, 121257), (3537, 107784), (3992, 95499), (4491, 84888), (4716, 80838), (5832, 65369), (5988, 63666), (7074, 53892), (8982, 42444), (9432, 40419), (10611, 35928), (11976, 31833), (13473, 28296), (14148, 26946), (17964, 21222)]