16656728955

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{1949}}^1$

素因数の和:2324

約数の個数: 64

約数和(自身を含む): 28394496000

約数和(自身を除く): 11737767045

約数列:

[1, 3, 5, 15, 19, 57, 95, 157, 191, 285, 471, 573, 785, 955, 1949, 2355, 2865, 2983, 3629, 5847, 8949, 9745, 10887, 14915, 18145, 29235, 29987, 37031, 44745, 54435, 89961, 111093, 149935, 185155, 305993, 372259, 449805, 555465, 569753, 917979, 1116777, 1529965, 1709259, 1861295, 2848765, 4589895, 5583885, 5813867, 7072921, 8546295, 17441601, 21218763, 29069335, 35364605, 58444663, 87208005, 106093815, 175333989, 292223315, 876669945, 1110448597, 3331345791, 5552242985, 16656728955]

約数ペア:

[(1, 16656728955), (3, 5552242985), (5, 3331345791), (15, 1110448597), (19, 876669945), (57, 292223315), (95, 175333989), (157, 106093815), (191, 87208005), (285, 58444663), (471, 35364605), (573, 29069335), (785, 21218763), (955, 17441601), (1949, 8546295), (2355, 7072921), (2865, 5813867), (2983, 5583885), (3629, 4589895), (5847, 2848765), (8949, 1861295), (9745, 1709259), (10887, 1529965), (14915, 1116777), (18145, 917979), (29235, 569753), (29987, 555465), (37031, 449805), (44745, 372259), (54435, 305993), (89961, 185155), (111093, 149935)]