78218036

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 152219088

約数和(自身を除く): 74001052

約数列:

[1, 2, 4, 13, 26, 52, 53, 101, 106, 202, 212, 281, 404, 562, 689, 1124, 1313, 1378, 2626, 2756, 3653, 5252, 5353, 7306, 10706, 14612, 14893, 21412, 28381, 29786, 56762, 59572, 69589, 113524, 139178, 193609, 278356, 368953, 387218, 737906, 774436, 1475812, 1504193, 3008386, 6016772, 19554509, 39109018, 78218036]

約数ペア:

[(1, 78218036), (2, 39109018), (4, 19554509), (13, 6016772), (26, 3008386), (52, 1504193), (53, 1475812), (101, 774436), (106, 737906), (202, 387218), (212, 368953), (281, 278356), (404, 193609), (562, 139178), (689, 113524), (1124, 69589), (1313, 59572), (1378, 56762), (2626, 29786), (2756, 28381), (3653, 21412), (5252, 14893), (5353, 14612), (7306, 10706)]