64735736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^2$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 138360600

約数和(自身を除く): 73624864

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 181, 247, 362, 494, 724, 988, 1448, 1976, 2353, 3439, 4706, 6878, 9412, 13756, 18824, 27512, 32761, 44707, 65522, 89414, 131044, 178828, 262088, 357656, 425893, 622459, 851786, 1244918, 1703572, 2489836, 3407144, 4979672, 8091967, 16183934, 32367868, 64735736]

約数ペア:

[(1, 64735736), (2, 32367868), (4, 16183934), (8, 8091967), (13, 4979672), (19, 3407144), (26, 2489836), (38, 1703572), (52, 1244918), (76, 851786), (104, 622459), (152, 425893), (181, 357656), (247, 262088), (362, 178828), (494, 131044), (724, 89414), (988, 65522), (1448, 44707), (1976, 32761), (2353, 27512), (3439, 18824), (4706, 13756), (6878, 9412)]