128982488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{1009}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 263913000

約数和(自身を除く): 134930512

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 841, 1009, 1102, 1682, 2018, 2204, 3364, 4036, 4408, 6728, 8072, 15979, 19171, 29261, 31958, 38342, 58522, 63916, 76684, 117044, 127832, 153368, 234088, 555959, 848569, 1111918, 1697138, 2223836, 3394276, 4447672, 6788552, 16122811, 32245622, 64491244, 128982488]

約数ペア:

[(1, 128982488), (2, 64491244), (4, 32245622), (8, 16122811), (19, 6788552), (29, 4447672), (38, 3394276), (58, 2223836), (76, 1697138), (116, 1111918), (152, 848569), (232, 555959), (551, 234088), (841, 153368), (1009, 127832), (1102, 117044), (1682, 76684), (2018, 63916), (2204, 58522), (3364, 38342), (4036, 31958), (4408, 29261), (6728, 19171), (8072, 15979)]