31993612

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:143

約数の個数: 72

約数和(自身を含む): 70066080

約数和(自身を除く): 38072468

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 41, 58, 62, 82, 116, 124, 164, 203, 217, 287, 406, 434, 574, 812, 868, 899, 961, 1148, 1189, 1271, 1798, 1922, 2378, 2542, 3596, 3844, 4756, 5084, 6293, 6727, 8323, 8897, 12586, 13454, 16646, 17794, 25172, 26908, 27869, 33292, 35588, 36859, 39401, 55738, 73718, 78802, 111476, 147436, 157604, 195083, 258013, 275807, 390166, 516026, 551614, 780332, 1032052, 1103228, 1142629, 2285258, 4570516, 7998403, 15996806, 31993612]

約数ペア:

[(1, 31993612), (2, 15996806), (4, 7998403), (7, 4570516), (14, 2285258), (28, 1142629), (29, 1103228), (31, 1032052), (41, 780332), (58, 551614), (62, 516026), (82, 390166), (116, 275807), (124, 258013), (164, 195083), (203, 157604), (217, 147436), (287, 111476), (406, 78802), (434, 73718), (574, 55738), (812, 39401), (868, 36859), (899, 35588), (961, 33292), (1148, 27869), (1189, 26908), (1271, 25172), (1798, 17794), (1922, 16646), (2378, 13454), (2542, 12586), (3596, 8897), (3844, 8323), (4756, 6727), (5084, 6293)]