51806690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 104993280

約数和(自身を除く): 53186590

約数列:

[1, 2, 5, 10, 13, 26, 47, 61, 65, 94, 122, 130, 139, 235, 278, 305, 470, 610, 611, 695, 793, 1222, 1390, 1586, 1807, 2867, 3055, 3614, 3965, 5734, 6110, 6533, 7930, 8479, 9035, 13066, 14335, 16958, 18070, 28670, 32665, 37271, 42395, 65330, 74542, 84790, 84929, 110227, 169858, 186355, 220454, 372710, 398513, 424645, 551135, 797026, 849290, 1102270, 1992565, 3985130, 5180669, 10361338, 25903345, 51806690]

約数ペア:

[(1, 51806690), (2, 25903345), (5, 10361338), (10, 5180669), (13, 3985130), (26, 1992565), (47, 1102270), (61, 849290), (65, 797026), (94, 551135), (122, 424645), (130, 398513), (139, 372710), (235, 220454), (278, 186355), (305, 169858), (470, 110227), (610, 84929), (611, 84790), (695, 74542), (793, 65330), (1222, 42395), (1390, 37271), (1586, 32665), (1807, 28670), (2867, 18070), (3055, 16958), (3614, 14335), (3965, 13066), (5734, 9035), (6110, 8479), (6533, 7930)]