7398828

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 20420400

約数和(自身を除く): 13021572

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, 373, 522, 551, 684, 746, 1044, 1102, 1119, 1492, 1653, 2204, 2238, 3306, 3357, 4476, 4959, 6612, 6714, 7087, 9918, 10817, 13428, 14174, 19836, 21261, 21634, 28348, 32451, 42522, 43268, 63783, 64902, 85044, 97353, 127566, 129804, 194706, 205523, 255132, 389412, 411046, 616569, 822092, 1233138, 1849707, 2466276, 3699414, 7398828]

約数ペア:

[(1, 7398828), (2, 3699414), (3, 2466276), (4, 1849707), (6, 1233138), (9, 822092), (12, 616569), (18, 411046), (19, 389412), (29, 255132), (36, 205523), (38, 194706), (57, 129804), (58, 127566), (76, 97353), (87, 85044), (114, 64902), (116, 63783), (171, 43268), (174, 42522), (228, 32451), (261, 28348), (342, 21634), (348, 21261), (373, 19836), (522, 14174), (551, 13428), (684, 10817), (746, 9918), (1044, 7087), (1102, 6714), (1119, 6612), (1492, 4959), (1653, 4476), (2204, 3357), (2238, 3306)]