31920196

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2801}}^1$

素因数の和:2860

約数の個数: 48

約数和(自身を含む): 71551872

約数和(自身を除く): 39631676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 74, 77, 148, 154, 259, 308, 407, 518, 814, 1036, 1628, 2801, 2849, 5602, 5698, 11204, 11396, 19607, 30811, 39214, 61622, 78428, 103637, 123244, 207274, 215677, 414548, 431354, 725459, 862708, 1140007, 1450918, 2280014, 2901836, 4560028, 7980049, 15960098, 31920196]

約数ペア:

[(1, 31920196), (2, 15960098), (4, 7980049), (7, 4560028), (11, 2901836), (14, 2280014), (22, 1450918), (28, 1140007), (37, 862708), (44, 725459), (74, 431354), (77, 414548), (148, 215677), (154, 207274), (259, 123244), (308, 103637), (407, 78428), (518, 61622), (814, 39214), (1036, 30811), (1628, 19607), (2801, 11396), (2849, 11204), (5602, 5698)]