31680896

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 69115200

約数和(自身を除く): 37434304

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 241, 316, 416, 482, 632, 832, 964, 1027, 1264, 1664, 1928, 2054, 2528, 3133, 3856, 4108, 5056, 6266, 7712, 8216, 10112, 12532, 15424, 16432, 19039, 25064, 30848, 32864, 38078, 50128, 65728, 76156, 100256, 131456, 152312, 200512, 247507, 304624, 401024, 495014, 609248, 990028, 1218496, 1980056, 2436992, 3960112, 7920224, 15840448, 31680896]

約数ペア:

[(1, 31680896), (2, 15840448), (4, 7920224), (8, 3960112), (13, 2436992), (16, 1980056), (26, 1218496), (32, 990028), (52, 609248), (64, 495014), (79, 401024), (104, 304624), (128, 247507), (158, 200512), (208, 152312), (241, 131456), (316, 100256), (416, 76156), (482, 65728), (632, 50128), (832, 38078), (964, 32864), (1027, 30848), (1264, 25064), (1664, 19039), (1928, 16432), (2054, 15424), (2528, 12532), (3133, 10112), (3856, 8216), (4108, 7712), (5056, 6266)]