65438964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3299}}^1$

素因数の和:3357

約数の個数: 72

約数和(自身を含む): 180180000

約数和(自身を除く): 114741036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3299, 3306, 4959, 6598, 6612, 9897, 9918, 13196, 19794, 19836, 29691, 39588, 59382, 62681, 95671, 118764, 125362, 188043, 191342, 250724, 287013, 376086, 382684, 564129, 574026, 752172, 861039, 1128258, 1148052, 1722078, 1817749, 2256516, 3444156, 3635498, 5453247, 7270996, 10906494, 16359741, 21812988, 32719482, 65438964]

約数ペア:

[(1, 65438964), (2, 32719482), (3, 21812988), (4, 16359741), (6, 10906494), (9, 7270996), (12, 5453247), (18, 3635498), (19, 3444156), (29, 2256516), (36, 1817749), (38, 1722078), (57, 1148052), (58, 1128258), (76, 861039), (87, 752172), (114, 574026), (116, 564129), (171, 382684), (174, 376086), (228, 287013), (261, 250724), (342, 191342), (348, 188043), (522, 125362), (551, 118764), (684, 95671), (1044, 62681), (1102, 59382), (1653, 39588), (2204, 29691), (3299, 19836), (3306, 19794), (4959, 13196), (6598, 9918), (6612, 9897)]