25718238

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2243}}^1$

素因数の和:2278

約数の個数: 72

約数和(自身を含む): 69837768

約数和(自身を除く): 44119530

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1911, 2243, 3822, 4486, 5733, 6729, 11466, 13458, 15701, 20187, 29159, 31402, 40374, 47103, 58318, 87477, 94206, 109907, 141309, 174954, 204113, 219814, 262431, 282618, 329721, 408226, 524862, 612339, 659442, 989163, 1224678, 1428791, 1837017, 1978326, 2857582, 3674034, 4286373, 8572746, 12859119, 25718238]

約数ペア:

[(1, 25718238), (2, 12859119), (3, 8572746), (6, 4286373), (7, 3674034), (9, 2857582), (13, 1978326), (14, 1837017), (18, 1428791), (21, 1224678), (26, 989163), (39, 659442), (42, 612339), (49, 524862), (63, 408226), (78, 329721), (91, 282618), (98, 262431), (117, 219814), (126, 204113), (147, 174954), (182, 141309), (234, 109907), (273, 94206), (294, 87477), (441, 58318), (546, 47103), (637, 40374), (819, 31402), (882, 29159), (1274, 20187), (1638, 15701), (1911, 13458), (2243, 11466), (3822, 6729), (4486, 5733)]