1780498639075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{13007}}^1\times {\mathrm{10273}}^1$

素因数の和:23344

約数の個数: 48

約数和(自身を含む): 2436066331776

約数和(自身を除く): 655567692701

約数列:

[1, 5, 13, 25, 41, 65, 205, 325, 533, 1025, 2665, 10273, 13007, 13325, 51365, 65035, 133549, 169091, 256825, 325175, 421193, 533287, 667745, 845455, 2105965, 2666435, 3338725, 4227275, 5475509, 6932731, 10529825, 13332175, 27377545, 34663655, 133620911, 136887725, 173318275, 668104555, 1737071843, 3340522775, 5478457351, 8685359215, 27392286755, 43426796075, 71219945563, 136961433775, 356099727815, 1780498639075]

約数ペア:

[(1, 1780498639075), (5, 356099727815), (13, 136961433775), (25, 71219945563), (41, 43426796075), (65, 27392286755), (205, 8685359215), (325, 5478457351), (533, 3340522775), (1025, 1737071843), (2665, 668104555), (10273, 173318275), (13007, 136887725), (13325, 133620911), (51365, 34663655), (65035, 27377545), (133549, 13332175), (169091, 10529825), (256825, 6932731), (325175, 5475509), (421193, 4227275), (533287, 3338725), (667745, 2666435), (845455, 2105965)]