638525304

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{521671}}^1$

素因数の和:521700

約数の個数: 48

約数和(自身を含む): 1831068720

約数和(自身を除く): 1192543416

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 521671, 1043342, 1565013, 2086684, 3130026, 4173368, 4695039, 6260052, 8868407, 9390078, 12520104, 17736814, 18780156, 26605221, 35473628, 37560312, 53210442, 70947256, 79815663, 106420884, 159631326, 212841768, 319262652, 638525304]

約数ペア:

[(1, 638525304), (2, 319262652), (3, 212841768), (4, 159631326), (6, 106420884), (8, 79815663), (9, 70947256), (12, 53210442), (17, 37560312), (18, 35473628), (24, 26605221), (34, 18780156), (36, 17736814), (51, 12520104), (68, 9390078), (72, 8868407), (102, 6260052), (136, 4695039), (153, 4173368), (204, 3130026), (306, 2086684), (408, 1565013), (612, 1043342), (1224, 521671)]