81797632

素因数分解:

$2^9\times 7^1\times {\mathrm{29}}^1\times {\mathrm{787}}^1$

素因数の和:841

約数の個数: 80

約数和(自身を含む): 193469760

約数和(自身を除く): 111672128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 512, 787, 812, 896, 928, 1574, 1624, 1792, 1856, 3148, 3248, 3584, 3712, 5509, 6296, 6496, 7424, 11018, 12592, 12992, 14848, 22036, 22823, 25184, 25984, 44072, 45646, 50368, 51968, 88144, 91292, 100736, 103936, 159761, 176288, 182584, 201472, 319522, 352576, 365168, 402944, 639044, 705152, 730336, 1278088, 1410304, 1460672, 2556176, 2820608, 2921344, 5112352, 5842688, 10224704, 11685376, 20449408, 40898816, 81797632]

約数ペア:

[(1, 81797632), (2, 40898816), (4, 20449408), (7, 11685376), (8, 10224704), (14, 5842688), (16, 5112352), (28, 2921344), (29, 2820608), (32, 2556176), (56, 1460672), (58, 1410304), (64, 1278088), (112, 730336), (116, 705152), (128, 639044), (203, 402944), (224, 365168), (232, 352576), (256, 319522), (406, 201472), (448, 182584), (464, 176288), (512, 159761), (787, 103936), (812, 100736), (896, 91292), (928, 88144), (1574, 51968), (1624, 50368), (1792, 45646), (1856, 44072), (3148, 25984), (3248, 25184), (3584, 22823), (3712, 22036), (5509, 14848), (6296, 12992), (6496, 12592), (7424, 11018)]