721103344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{47491}}^1$

素因数の和:47585

約数の個数: 40

約数和(自身を含む): 1525253072

約数和(自身を除く): 804149728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 7592, 15184, 47491, 94982, 189964, 379928, 617383, 759856, 1234766, 2469532, 3466843, 4939064, 6933686, 9878128, 13867372, 27734744, 45068959, 55469488, 90137918, 180275836, 360551672, 721103344]

約数ペア:

[(1, 721103344), (2, 360551672), (4, 180275836), (8, 90137918), (13, 55469488), (16, 45068959), (26, 27734744), (52, 13867372), (73, 9878128), (104, 6933686), (146, 4939064), (208, 3466843), (292, 2469532), (584, 1234766), (949, 759856), (1168, 617383), (1898, 379928), (3796, 189964), (7592, 94982), (15184, 47491)]