245678.0000000

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 16257024

約数和(自身を除く): 8470816

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 167, 188, 248, 334, 376, 496, 668, 752, 992, 1336, 1457, 1504, 2672, 2914, 5177, 5344, 5828, 7849, 10354, 11656, 15698, 20708, 23312, 31396, 41416, 46624, 62792, 82832, 125584, 165664, 243319, 251168, 486638, 973276, 1946552, 3893104, 7786208]

約数ペア:

[(1, 7786208), (2, 3893104), (4, 1946552), (8, 973276), (16, 486638), (31, 251168), (32, 243319), (47, 165664), (62, 125584), (94, 82832), (124, 62792), (167, 46624), (188, 41416), (248, 31396), (334, 23312), (376, 20708), (496, 15698), (668, 11656), (752, 10354), (992, 7849), (1336, 5828), (1457, 5344), (1504, 5177), (2672, 2914)]