39827876

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 83119680

約数和(自身を除く): 43291804

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 71, 76, 121, 122, 142, 209, 242, 244, 284, 418, 484, 671, 781, 836, 1159, 1342, 1349, 1562, 2299, 2318, 2684, 2698, 3124, 4331, 4598, 4636, 5396, 7381, 8591, 8662, 9196, 12749, 14762, 14839, 17182, 17324, 25498, 29524, 29678, 34364, 47641, 50996, 59356, 82289, 95282, 140239, 163229, 164578, 190564, 280478, 326458, 329156, 524051, 560956, 652916, 905179, 1048102, 1810358, 2096204, 3620716, 9956969, 19913938, 39827876]

約数ペア:

[(1, 39827876), (2, 19913938), (4, 9956969), (11, 3620716), (19, 2096204), (22, 1810358), (38, 1048102), (44, 905179), (61, 652916), (71, 560956), (76, 524051), (121, 329156), (122, 326458), (142, 280478), (209, 190564), (242, 164578), (244, 163229), (284, 140239), (418, 95282), (484, 82289), (671, 59356), (781, 50996), (836, 47641), (1159, 34364), (1342, 29678), (1349, 29524), (1562, 25498), (2299, 17324), (2318, 17182), (2684, 14839), (2698, 14762), (3124, 12749), (4331, 9196), (4598, 8662), (4636, 8591), (5396, 7381)]