78221390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{26161}}^1$

素因数の和:26204

約数の個数: 32

約数和(自身を含む): 158227776

約数和(自身を除く): 80006386

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 26161, 52322, 130805, 261610, 340093, 601703, 680186, 1203406, 1700465, 3008515, 3400930, 6017030, 7822139, 15644278, 39110695, 78221390]

約数ペア:

[(1, 78221390), (2, 39110695), (5, 15644278), (10, 7822139), (13, 6017030), (23, 3400930), (26, 3008515), (46, 1700465), (65, 1203406), (115, 680186), (130, 601703), (230, 340093), (299, 261610), (598, 130805), (1495, 52322), (2990, 26161)]