251166916

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:605

約数の個数: 96

約数和(自身を含む): 595526400

約数和(自身を除く): 344359484

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 149, 154, 182, 286, 298, 308, 364, 421, 572, 596, 842, 1001, 1043, 1639, 1684, 1937, 2002, 2086, 2947, 3278, 3874, 4004, 4172, 4631, 5473, 5894, 6556, 7748, 9262, 10946, 11473, 11788, 13559, 18524, 21307, 21892, 22946, 27118, 32417, 38311, 42614, 45892, 54236, 60203, 62729, 64834, 76622, 85228, 120406, 125458, 129668, 149149, 153244, 240812, 250916, 298298, 421421, 439103, 596596, 690019, 815477, 842842, 878206, 1380038, 1630954, 1685684, 1756412, 2760076, 3261908, 4830133, 5708339, 8970247, 9660266, 11416678, 17940494, 19320532, 22833356, 35880988, 62791729, 125583458, 251166916]

約数ペア:

[(1, 251166916), (2, 125583458), (4, 62791729), (7, 35880988), (11, 22833356), (13, 19320532), (14, 17940494), (22, 11416678), (26, 9660266), (28, 8970247), (44, 5708339), (52, 4830133), (77, 3261908), (91, 2760076), (143, 1756412), (149, 1685684), (154, 1630954), (182, 1380038), (286, 878206), (298, 842842), (308, 815477), (364, 690019), (421, 596596), (572, 439103), (596, 421421), (842, 298298), (1001, 250916), (1043, 240812), (1639, 153244), (1684, 149149), (1937, 129668), (2002, 125458), (2086, 120406), (2947, 85228), (3278, 76622), (3874, 64834), (4004, 62729), (4172, 60203), (4631, 54236), (5473, 45892), (5894, 42614), (6556, 38311), (7748, 32417), (9262, 27118), (10946, 22946), (11473, 21892), (11788, 21307), (13559, 18524)]